69 products about 1990 Pontiac Firebird Exhaust Manifolds, Pipes, Mufflers & Components foundVEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 2 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Round Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 10044869 Package Quantity: 1 Position: Driver Side UPC: 019495070580 Part Description: 1990 Pontiac Firebird Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 2 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Round Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 4 OE Part Number: 10115724 Package Quantity: 1 Position: Passenger Side UPC: 019495129653 Part Description: 1990 Pontiac Firebird Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: Square Ports Bolt Hole Quantity: 0 Color: Color May Vary Complete: Y Configuration: Two Piece Contains Applications: Y Material: Fiber And Metal Release Wave: 12/15/2017 Thickness: 0.040 UPC: 023913657871 Part Description: 1990 Pontiac Firebird Exhaust Manifold Gasket Set More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX for 22253;Exc HO; w/Single Catalytic Converter; If welded Assy, replace all Reqd parts; Optional; SoundFX for 22253 Body Height: 4.250 Body Length: 19.000 Body Material: Steel Body Width: 9.750 Exhaust Component Mount Type: No Mounts Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.250 Inlet 1 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.875 Internet Product Code (IPC): 3B8803CD724 Item has MSDS (SDS): N Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 18232 MFG Name: Tenneco, Inc Min Year Covered: 1982 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Muffler Body Material: Steel Muffler Color / Finish: Aluminized Muffler Inlet: Offset Muffler Inlet Connection Type: Pipe Connection Muffler Inlet Count: 1 Muffler Outlet: Offset Muffler Outlet Connection Type: Pipe Connection Muffler Outlet Count: 2 Muffler Overall Length: 24.0 Muffler Shape: Oval Outlet 1 Inside Diameter: 2.000 Outlet 2 Inside Diameter: 2.000 Outlet 2 Type: Pipe Connection Outlet Configuration: Offset Overall Length: 24.000 Product Grade: Economy Reversible: No Shape: Oval Supplier Company Name: Tenneco, Inc Total Part VIO: 95276 Universal Or Specific Fit: Specific UPC: 086387182324 Part Description: 1990 Pontiac Firebird Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 2 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 14094063 Package Quantity: 1 Position: Driver Side UPC: 019495064947 Part Description: 1990 Pontiac Firebird Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 2 Flange Stud Hole Quantity: 0 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: Yes Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 14094064 Package Quantity: 1 Position: Passenger Side UPC: 019495064954 Part Description: 1990 Pontiac Firebird Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Exc HO; w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: Pipe Connection Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Spout Exhaust Pipe Overall Length: 23.4259 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet Outside Diameter: 2.000 Inlet Quantity: 1 Inlet Type: Pipe Connection Internet Product Code (IPC): D48D2C2B41F Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 23.426 Material: Steel Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 43831 MFG Name: Tenneco, Inc Min Year Covered: 1982 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet Outside Diameter: 2.250 Outlet Quantity: 1 Outlet Type: Spout Pipe Wall Thickness: 0.050 Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 95276 Universal Or Specific Fit: Specific UPC: 086387438315 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Tailpipe More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;w/Dual Catalytic Converters; If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: Pipe Connection Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Pipe Connection Exhaust Pipe Overall Length: 25.75 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet Outside Diameter: 2.250 Inlet Quantity: 1 Inlet Type: Pipe Connection Internet Product Code (IPC): 7B61BEFA12C Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 25.750 Material: Steel Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 43988 MFG Name: Tenneco, Inc Min Year Covered: 1984 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet Outside Diameter: 2.500 Outlet Quantity: 1 Outlet Type: Pipe Connection Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 56245 Universal Or Specific Fit: Specific UPC: 086387439886 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Tailpipe More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Exc HO; w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: Pipe Connection Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Spout Exhaust Pipe Overall Length: 23.4259 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet Outside Diameter: 2.000 Inlet Quantity: 1 Inlet Type: Pipe Connection Internet Product Code (IPC): 8817FCC8C91 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 23.426 Material: Steel Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 43846 MFG Name: Tenneco, Inc Min Year Covered: 1982 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet Outside Diameter: 2.250 Outlet Quantity: 1 Outlet Type: Spout Pipe Wall Thickness: 0.050 Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 95276 Universal Or Specific Fit: Specific UPC: 086387438469 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Tailpipe More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: High Output;Exc HO; w/Single Catalytic Converter;w/Single Catalytic Converter;w/Dual Catalytic Converters;TPI (Tuned Port Inj) FI Gasket / Seal Material: Graphoil Gasket Thickness: 0.63 Gasket Type: Donut Internet Product Code (IPC): ED7B6776A91 Item Grade: Standard Replacement Item has MSDS (SDS): N Material: Graphoil Max Year Covered: 2017 MFG Brand Name: Walker Exhaust MFG Model # (Series): 31533 MFG Name: Tenneco, Inc Min Year Covered: 1988 Most Popular Make / Model: Toyota Camry Most Popular Year: 2012 Package Contents: 1 Gasket Port 1 Length (in): 2.12 Port 1 Width: 2.12 Product Grade: Economy Supplier Company Name: Tenneco, Inc Thickness: 0.568 Total Part VIO: 4422367 UPC: 086387315333 Part Description: 1990 Pontiac Firebird Graphoil Donut Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | Base | 8 Cyl 5.0L 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | Trans Am | 8 Cyl 5.0L 1990 Pontiac Firebird | Trans Am GTA | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L Show More VEHICLE SPECIFIC Product Specifications Attachment Method: OEM Style Finish: Black Hardware Material: Rubber Internet Product Code (IPC): 513B84FCC84 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 4.125 Material: Rubber Max Year Covered: 2018 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35750 MFG Name: Tenneco, Inc Min Year Covered: 1985 Most Popular Make / Model: Ram 1500 Most Popular Year: 2017 Overall Length: 4.125 Package Contents: Insulator Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 1053121 Universal Or Specific Fit: Universal UPC: 086387357500 Part Description: 1990 Pontiac Firebird Rubber Black Exhaust Insulator More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: High Output;Exc HO; w/Single Catalytic Converter; Reqs drilling out Rivet in Bracket attached to Vehicle.;Reqs drilling out Rivet in Bracket attached to Vehicle.;w/Single Catalytic Converter; Reqs drilling out Rivet in Bracket attached to Vehicle. Attachment Method: Uses existing exhaust rod brackets or holes Automotive Color Finish: Silver- Black Finish: Natural Hardware Material: Steel - Rubber Internet Product Code (IPC): B81FACA5B9C Item Grade: OEM Standard Item has MSDS (SDS): N Length: 5.250 Material: Steel - Rubber Max Year Covered: 1993 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35245 MFG Name: Tenneco, Inc Min Year Covered: 1982 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1992 Overall Length: 11.25 Package Contents: Hanger Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 140898 Universal Or Specific Fit: Specific UPC: 086387352451 Part Description: 1990 Pontiac Firebird Steel Rubber Silver Black Exhaust Hanger More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L Show More VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter;Exc HO; w/Single Catalytic Converter;w/Dual Catalytic Converters Attachment Method: Uses existing exhaust rod brackets or holes Automotive Color Finish: Silver- Black Finish: Natural Hardware Material: Steel - Rubber Internet Product Code (IPC): 8EBE6776569 Item Grade: OEM Standard Item has MSDS (SDS): N Length: 4.125 Material: Steel - Rubber Max Year Covered: 1997 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35475 MFG Name: Tenneco, Inc Min Year Covered: 1982 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1995 Overall Length: 0 Package Contents: Hanger Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 221178 Universal Or Specific Fit: Specific UPC: 086387354752 Part Description: 1990 Pontiac Firebird Steel Rubber Silver Black Exhaust Hanger More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L Show More VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter; 3 Inch Bolt Diameter: 0.375 Clamp Design: U-Clamp Clamp Maximum Diameter: 3.0 Clamp Type: U-Bolt Finish: Natural Gauge: 11.0 Grade Type: Regular Hardware Material: Steel Internet Product Code (IPC): 2184BEFFCD2 Item Grade: OEM Standard Item has MSDS (SDS): N Material: Steel Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35794 MFG Name: Tenneco, Inc Min Year Covered: 1984 Most Popular Make / Model: Ford F-150 Most Popular Year: 2004 Nut Type: Hex Package Contents: One Exhaust Clamp Pipe Diameter: 3.000 Product Grade: Economy Saddle Hole Type: Round Supplier Company Name: Tenneco, Inc Total Part VIO: 31808980 UPC: 086387357944 Width: 4.375 Part Description: 1990 Pontiac Firebird Heavy Duty Steel Natural U Bolt Clamp More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter; 2 1/2 Inch;w/Dual Catalytic Converters; 2 1/2 Inch Bolt Diameter: 0.375 Clamp Design: U-Clamp Clamp Maximum Diameter: 2.5 Clamp Type: U-Bolt Finish: Natural Gauge: 11.0 Grade Type: Regular Hardware Material: Steel Internet Product Code (IPC): AC04EB41AD7 Item Grade: OEM Standard Item has MSDS (SDS): N Material: Steel Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35337 MFG Name: Tenneco, Inc Min Year Covered: 1963 Most Popular Make / Model: Ford F-150 Most Popular Year: 2004 Nut Type: Hex Package Contents: One Exhaust Clamp Pipe Diameter: 2.500 Product Grade: Economy Saddle Hole Type: Round Supplier Company Name: Tenneco, Inc Total Part VIO: 61647953 UPC: 086387353373 Width: 3.875 Part Description: 1990 Pontiac Firebird Heavy Duty Steel Natural U Bolt Clamp More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Exc HO; w/Single Catalytic Converter; 2 1/4";2 1/4 Inch Bolt Diameter: 0.375 Clamp Design: U-Clamp Clamp Maximum Diameter: 2.25 Clamp Type: U-Bolt Finish: Natural Gauge: 11.0 Grade Type: Regular Hardware Material: Steel Internet Product Code (IPC): B7FF432686E Item Grade: OEM Standard Item has MSDS (SDS): N Material: Steel Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35336 MFG Name: Tenneco, Inc Min Year Covered: 1960 Most Popular Make / Model: Ford Explorer Most Popular Year: 2008 Nut Type: Hex Package Contents: One Exhaust Clamp Pipe Diameter: 2.250 Product Grade: Economy Saddle Hole Type: Round Supplier Company Name: Tenneco, Inc Total Part VIO: 60766000 UPC: 086387353366 Width: 3.5 Part Description: 1990 Pontiac Firebird Heavy Duty Steel Natural U Bolt Clamp More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: Exc HO; w/Single Catalytic Converter; If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 22253;If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 22253 Body Height: 4.250 Body Length: 20.000 Body Material: Steel Body Width: 8.813 Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.250 Inlet 1 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.625 Max Year Covered: 1992 Min Year Covered: 1975 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1979 Muffler Type: Combination Outlet 1 Inside Diameter: 2.000 Outlet 2 Inside Diameter: 2.000 Outlet 2 Type: Pipe Connection Outlet Configuration: Offset Overall Length: 28.000 Product Grade: Economy Reversible: No Shape: Oval Total Part VIO: 157502 Universal Or Specific Fit: Universal UPC: 086387181044 Part Description: 1990 Pontiac Firebird Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Dual Catalytic Converters; If welded Assy, replace all Reqd parts.;w/Single Catalytic Converter; If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: Pipe Connection Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Spout Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet Outside Diameter: 2.250 Inlet Quantity: 1 Inlet Type: Pipe Connection Internet Product Code (IPC): 03A6379F5E9 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 23.000 Material: Steel Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 43989 MFG Name: Tenneco, Inc Min Year Covered: 1984 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet Outside Diameter: 2.500 Outlet Quantity: 1 Outlet Type: Spout Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 56245 Universal Or Specific Fit: Specific UPC: 086387439893 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Tailpipe More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter Exhaust Pipe Inlet Connection Type: 2 Bolt Loose Flange W/Spherical Flare Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Pipe Connection Exhaust Pipe Overall Length: 72.0 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet 1 Type: 2 Bolt Loose Flange With Spherical Flare Inlet Quantity: 1 Inlet Type: 2 Bolt Loose Flange With Spherical Flare Internet Product Code (IPC): 1ED74FC7D10 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 72.000 Material: Steel Max Year Covered: 1991 MFG Brand Name: Walker Exhaust MFG Model # (Series): 46669 MFG Name: Tenneco, Inc Min Year Covered: 1986 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet 1 Outside Diameter: 2.5 Outlet 1 Type: Pipe Connection Outlet Outside Diameter: 2.500 Outlet Quantity: 1 Outlet Type: Pipe Connection Pipe Diameter: 2.750 Pipe Wall Thickness: 0.062 Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 46190 Universal Or Specific Fit: Specific UPC: 086387466691 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Intermediate Pipe More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Notes: If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: 2 Bolt Loose Flange W/Spherical Flare Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Pipe Connection Exhaust Pipe Overall Length: 69.36 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet 1 Type: 2 Bolt Loose Flange With Spherical Flare Inlet Quantity: 1 Inlet Type: 2 Bolt Loose Flange With Spherical Flare Internet Product Code (IPC): B9FAB3C53A5 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 69.375 Material: Steel Max Year Covered: 1992 MFG Brand Name: Walker Exhaust MFG Model # (Series): 47580 MFG Name: Tenneco, Inc Min Year Covered: 1985 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1989 Outlet 1 Outside Diameter: 2.25 Outlet 1 Type: Pipe Connection Outlet Outside Diameter: 2.250 Outlet Quantity: 1 Outlet Type: Pipe Connection Pipe Diameter: 2.250 Pipe Wall Thickness: 0.050 Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 25500 Universal Or Specific Fit: Specific UPC: 086387475808 Part Description: 1990 Pontiac Firebird Aluminized Steel Exhaust Intermediate Pipe More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: Premium - Limited Lifetime Warranty; Except HO; w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts. Connection Type: Pipe Connection Inlet Diameter Designation: Inside Diameter Inlet Quantity: 1 Item Grade: OEM Standard Part Muffler Body Finish: Aluminized Muffler Body Height: 4.25" Muffler Body Length: 19" Muffler Body Material: Stainless Steel Muffler Body Shape: Oval Muffler Body Width: 9.75" Muffler Inlet Diameter: 2.25" Muffler Inlet-Outlet Configuration: Offset - Opposite Sides Offset Muffler Outlet Diameter: 2" Muffler Overall Length: 24" Muffler Reversibility: No Muffler Series: Quiet-Flow™ Muffler Type: Combination Outlet Diameter Designation: Inside Diameter Outlet Quantity: 2 Part Description: 1990 Pontiac Firebird Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler More Info Vehicle Fitment 1990 Pontiac Firebird | Formula | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 6 Cyl 3.1L VEHICLE SPECIFIC Product Specifications Notes: Dual Converters; Inlet Gasket / Seal Material: Steel Internet Product Code (IPC): 0C32E5672FB Item Grade: Standard Replacement Item has MSDS (SDS): No MFG Brand Name: Bosal MFG Model # (Series): 256-1037 Package Contents: Gasket Series: Direct-Fit Exhaust Supplier Company Name: Bosal UPC: 623920324997 Part Description: 1990 Pontiac Firebird Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;w/Dual Catalytic Converters; If welded Assy, replace all Reqd parts. Automotive Item Grade: OEM Standard Part Connection Type: Pipe Inlet - Outlet Configuration: Offset Inlet - Opposite Sides Offset Outlet Inlet Diameter Designation: Inside Diameter Inlet Quantity: 1 Inlet Muffler Body Finish: Aluminized Muffler Body Height: 4.25" Muffler Body Length: 19" Muffler Body Material: Steel Muffler Body Shape: Oval Muffler Body Width: 9.75" Muffler Inlet Diameter: 2.5" Muffler Outlet Diameter: 2.25" Muffler Overall Length: 24" Muffler Reversible: No Muffler Series: SoundFX™ Muffler Type: Combination Outlet Diameter Designation: Inside Diameter Outlet Quantity: 2 Outlets UPC: 086387183758 Part Description: 1990 Pontiac Firebird Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: High Output;w/Single Catalytic Converter; If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 18375; Single Outlet Muffler replaces Dual Outlet Muffler. Right Hand Tail Pipe not Reqd.;w/Dual Catalytic Converters; If welded Assy, replace all Reqd parts.;w/Single Catalytic Converter; If welded Assy, replace all Reqd parts.;w/Dual Catalytic Converters; If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 18375; Single Outlet Muffler replaces Dual Outlet Muffler. Right Hand Tail Pipe not Reqd. Body Height: 4.250 Body Length: 18.000 Body Material: Steel Body Width: 8.813 Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.500 Inlet 1 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.625 Max Year Covered: 1997 Min Year Covered: 1975 Most Popular Make / Model: Chevrolet Camaro Most Popular Year: 1995 Muffler Type: Combination Outlet 1 Inside Diameter: 2.250 Outlet Configuration: Offset Overall Length: 23.000 Product Grade: Economy Reversible: No Shape: Oval Total Part VIO: 161401 Universal Or Specific Fit: Universal UPC: 086387181198 Part Description: 1990 Pontiac Firebird Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler More Info Vehicle Fitment 1990 Pontiac Firebird | All Trims | 8 Cyl 5.0L 1990 Pontiac Firebird | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: 8 Cylinder, W/Tbi; 5.0e (tbi); Right;5.0f (mfi); Right Location: Passenger Side Other Names: Manifold Item Dimensions: 21.0 x 6.4 x 3.4 inches Item Weight: 10.20 Pounds Fitment Type: Direct Replacement Part Description: 1990 Pontiac Firebird Exhaust Manifold More Info Vehicle Fitment 1990 Pontiac Firebird | Base, Formula, Trans Am, Trans Am GTA | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Notes: 3.1l Other Names: Crossover Pipe Item Dimensions: 59.9 x 6.1 x 6.3 inches Item Weight: 11.80 Pounds Fitment Type: Direct Replacement Part Description: 1990 Pontiac Firebird Exhaust Crossover Pipe Assembly More Info Vehicle Fitment 1990 Pontiac Firebird | Base, S/E | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS VEHICLE SPECIFIC Product Specifications Notes: 8 Cylinder, W/O Efi;8 Cylinder, W/Tbi; 5.0e (tbi); Left Location: Driver Side Other Names: Exhaust Manifold, Manifold Item Dimensions: 19.2 x 9.1 x 3.6 inches Item Weight: 12.10 Pounds Fitment Type: Direct Replacement Replaces: 14043373 Part Description: 1990 Pontiac Firebird Exhaust Manifold Assembly More Info Vehicle Fitment 1990 Pontiac Firebird | Base, Formula, S/E, Trans Am, Trans Am GTA | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Notes: 3.1l Other Names: Muffler, Muffler & Pipe Item Dimensions: 42.1 x 26.3 x 8.5 inches Item Weight: 44.30 Pounds Fitment Type: Direct Replacement Part Description: 1990 Pontiac Firebird Exhaust Muffler Assembly (W/ Tail Pipe) More Info Vehicle Fitment 1990 Pontiac Firebird | Base | 6 Cyl 3.1 L GAS VEHICLE SPECIFIC Product Specifications Notes: 3.1l Other Names: Muffler, Muffler & Pipe Item Dimensions: 42.1 x 26.3 x 8.5 inches Item Weight: 44.30 Pounds Fitment Type: Direct Replacement Part Description: 1990 Pontiac Firebird Exhaust Muffler Assembly (W/ Tail Pipe) More Info Vehicle Fitment 1990 Pontiac Firebird | Base | 6 Cyl 3.1 L GAS VEHICLE SPECIFIC Product Specifications Notes: 3.1l Other Names: Muffler, Muffler & Pipe Item Dimensions: 42.1 x 26.3 x 8.5 inches Item Weight: 44.30 Pounds Fitment Type: Direct Replacement Part Description: 1990 Pontiac Firebird Exhaust Muffler Assembly (W/ Tail Pipe) More Info Vehicle Fitment 1990 Pontiac Firebird | Base | 6 Cyl 3.1 L GAS