1991 Pontiac Firebird Performance Exhaust Systems

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    • (0 reviews)
      # mpn1096993
      Pontiac Firebird 5.0L / 5.7L 1991, Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System...
      $552.51
    • (0 reviews)
      # 61590168
      Pontiac Firebird with PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Air Tube. Without O2 Sensor Port. If your car needs replacement, install one...
      $300.85 - $788.60
    • (0 reviews)
      # mpn1295593240
      Pontiac Firebird 1991, 304 SS Turbo Chambered Dual Cat-Back Exhaust System with Split Rear Exit by Stainless Works®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive /...
      $1,045.00
    • (0 reviews)
      # 381426824
      Pontiac Firebird 5.7L 1991, 3" Adj™ Stainless Steel Cat-Back Exhaust System with Quad Rear Exit by Borla®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive /...
      $991.99
    • (0 reviews)
      # 381426819
      Pontiac Firebird 1991, American Thunder™ Aluminized Steel Dual Cat-Back Exhaust System with Split Rear Exit by Flowmaster®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 3". Exhaust System...
      $442.97 - $505.97
    • (0 reviews)
      # 381426803
      Pontiac Firebird 1991, Super Turbo™ Aluminized Steel Dual Cat-Back Exhaust System with Split Rear Exit by DynoMax®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.5". Exhaust System Sound:...
      $241.32 - $241.41
    • (0 reviews)
      # 381426826
      Pontiac Firebird 1991, Ultra Flo™ Dual Cat-Back Exhaust System with Split Rear Exit by DynoMax®. Exhaust Type: Cat-Back. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. Ultra Flo™ Welded performance stainless...
      $340.12 - $356.41
    • (0 reviews)
      # 448333047
      Pontiac Firebird Automatic Transmission with Small Block Engine 1991, Stainless Steel Mill Long Tube Exhaust Headers with Factory Connect by Stainless Works®. Primary Tubing Diameter: 1.75". Emissions: Racing Only. Finish: Mill. Color:...
      $1,083.00
    • (0 reviews)
      # mpn1295593241
      Pontiac Firebird Automatic Transmission with Small Block Engine 1991, Stainless Steel Mill Long Tube Non-Catted Off-Road Header Assembly with Factory Connect Off-Road Y-Pipe by Stainless Works®. Primary Tubing Diameter: 1.75". Collector...
      $1,515.25
    • (0 reviews)
      # 203908684
      Pontiac Firebird 5.0L / 5.7L with Air Conditioning without Smog Injection or Injection Heads with Angle Plug Heads with Power Steering with Gen 1 SB Chevy Engine 1991, Elite Ultra-Duty Mild Steel Silver Matte Ceramic-Metallic Exhaust...
      $465.69 - $477.34
    • (0 reviews)
      # 231288487
      Pontiac Firebird 5.0L / 5.7L 1991, Standard Duty Mild Steel Black MAXX Satin Black Ceramic-Metallic Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Emissions: Racing Only. Finish: Black MAXX Satin Black...
      $469.86 - $760.94
    • (0 reviews)
      # 466702097
      Pontiac Firebird 5.0L / 5.7L with Air Conditioning without Smog Injection or Injection Heads with Angle Plug Heads with Power Steering with 350 Turbo Transmission / with 700R4 Transmission with Gen 1 SB Chevy Engine with Dual Exhaust...
      $217.63 - $465.69
    • (0 reviews)
      # 812994736
      Pontiac Firebird 5.0L / 5.7L with Air Conditioning with Angle Plug Heads with Power Steering with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1991, Standard Duty Mild Steel...
      $206.74 - $778.09
    • (0 reviews)
      # mpn615902989
      Pontiac Firebird 1991, Stainless Steel Down Swept Dragster Exhaust Header by Kooks®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Emissions: EPA compliant. Gaskets and all installation hardware included. This product...
      $795.37
    • (0 reviews)
      # mpn584304701
      Pontiac Firebird 5.0L 1991, Mild Steel Black Painted Mid-Length Tube Exhaust Headers with Y-Pipe by Flowtech®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Finish: Black Painted. Color: Black....
      $356.95
    • (0 reviews)
      # 652498795
      Pontiac Firebird 1991, Mild Steel Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Include all mounting hardware. Flowtech’s emissions-friendly headers are just the...
      $158.95 - $558.95
    • (0 reviews)
      # 231124913
      Pontiac Firebird 5.0L / 5.7L with Angle or Straight Plug Heads with Chevy Small Block Engine 1991, Black Painted Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5"....
      $309.99 - $319.99
    • (0 reviews)
      # mpn358945592
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Black Painted Economy Crossover Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black...
      $299.99
    • (0 reviews)
      # 231124979
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Black Painted Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 7.50"....
      $389.99 - $429.99
    • (0 reviews)
      # 231125019
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Mid-Length Tube Modified Exhaust Headers by Dynatech®. Emissions: Racing Only. Header Style: Mid-Length Tube. These Mid Length Modified Headers have been designed for use...
      $271.99 - $309.99
    • (0 reviews)
      # 231126008
      Pontiac Firebird with Chevy Small Block Engine 1991, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These 604...
      $379.99 - $408.99
    • (0 reviews)
      # 231125086
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Mild Steel Black Painted Stock Clip Exhaust Headers by Dynatech®. Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black Painted. These Small Block Chevy...
      $249.99 - $309.99
    • (1 review)
      # mpn358945662
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: Racing...
      $299.99
    • (0 reviews)
      # 231126053
      Pontiac Firebird with Chevy Small Block Engine 1991, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These...
      $924.99 - $1,062.49
    • (0 reviews)
      # mpn358945683
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Emissions: Racing Only. Finish: Natural. These Long Tube Big...
      $349.99
    • (0 reviews)
      # mpn4494135112
      Pontiac Firebird Coupe 5.0L 1991, 304 SS Polished Mid-Length Tube Exhaust Headers by Torxe®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style:...
      $237.50
    • (0 reviews)
      # mpn4494135051
      Pontiac Firebird Convertible / Coupe 5.0L / 5.7L 1991, Racing 4-1 304 SS Polished Mid-Length Tube Exhaust Headers by Torxe®. Primary Tubing Diameter: 1.88". Collector Outlet Diameter: 2.875". Emissions: Racing Only. Finish: Polished....
      $187.50
    • (0 reviews)
      # mpn4351213861
      Pontiac Firebird 5.0L / 5.7L 1991, Exhaust Headers by Advance Adapters®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      High quality at an affordable priceExpertly made from premium materials
      $263.82
    • (0 reviews)
      # 448067257
      Pontiac Firebird 5.0L / 5.7L 1991, 4-Tube Steel Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Long Tube. Doug's headers are carefully developed on the vehicles...
      High quality at an affordable priceExpertly made from premium materials
      $513.11 - $716.22
    • (0 reviews)
      # 447955791
      Pontiac Firebird 1991, 4-Tube Steel Short Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Short Tube. Doug's Headers development and design is complex and requires a...
      3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow
      $472.92 - $665.70
    • (0 reviews)
      # 370323309
      Pontiac Firebird 1991, Clippster Steel Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Header Style: Mid-Length Tube. Header made from Steel....
      $318.00 - $431.22
    • (0 reviews)
      # 91568821
      Pontiac Firebird 5.0L / 5.7L with Small Block Chevy Engine 1991, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust product is...
      $237.32 - $246.54
    • (0 reviews)
      # 378662164
      Pontiac Firebird 5.0L / 5.7L 1991, Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      $266.11 - $556.88
    • (0 reviews)
      # mpn358950119
      Pontiac Firebird 5.0L / 5.7L with Small Block Chevy Engine 1991, Steel Raw Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA...
      $236.01
    • (0 reviews)
      # 231125816
      Pontiac Firebird 5.0L / 5.7L with Small Block Chevy Engine 1991, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". This superior Patriot Exhaust product is just for you. Carefully designed...
      $202.89 - $530.71
    • (0 reviews)
      # 378662160
      Pontiac Firebird 5.0L / 5.7L 1991, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. This superior Patriot EXhaust product is just for you....
      $264.30 - $512.26
    • (0 reviews)
      # 231287465
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Conventional Crossover Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 87345625
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, DIRT Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Demolition Derby Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". This top-notch product by Schoenfeld Headers is made to give that extra boost...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 231287584
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Dirt Late Model Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $240.93 - $720.76
    • (0 reviews)
      # 466876651
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, H Style Conventional Crossover Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $292.18
    • (0 reviews)
      # 87345669
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, IMCA Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $379.85
    • (0 reviews)
      # 231287813
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, SBC Chassis Steel Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # mpn359116120
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". This top-notch product by Schoenfeld Headers is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 231287916
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that every...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $198.59 - $292.18
    • (0 reviews)
      # 231288144
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Street Stock Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $219.50 - $656.83
    • (0 reviews)
      # 87345721
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Tri-Y Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $655.84 - $702.28
    • (0 reviews)
      # mpn359116012
      Pontiac Firebird 5.0L / 5.7L with Chevy Small Block Engine 1991, Zoomie Exhaust Headers by Schoenfeld Headers®. Standard Zoomie Grassburner. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 380903266
      Pontiac Firebird with PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor...
      $186.18 - $188.08
    • (0 reviews)
      # 380903264
      Pontiac Firebird 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Air Tube. If your car needs replacement, install one that will get you through the smog check. This...
      $131.90 - $448.33
    • (0 reviews)
      # 49720430
      Pontiac Firebird 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. Catalytic Converter...
      $79.35 - $83.00
    • (0 reviews)
      # mpn913868
      Pontiac Firebird 3.1L / 5.0L 1991, Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $117.15
    • (1 review)
      # 18221033
      Pontiac Firebird 1991, Super Turbo™ Aluminized Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler Sound: Mild / Stock....
      $75.74
    • (0 reviews)
      # 832943199
      Pontiac Firebird 1991, Ultra Flo™ Polished Stainless Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 18". Muffler Overall Length: 24". Muffler Sound: Moderate....
      $158.99
    • (0 reviews)
      # mpn183212606
      Pontiac Firebird 3.1L / 5.0L with Dual Exhaust 1991, Ultra Flo™ Welded Stainless Steel Oval Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 20". Muffler Overall Length:...
      $134.69
    • (0 reviews)
      # mpn630006854
      Pontiac Firebird 1991, Afterburner™ Oval Exhaust Muffler by Flowtech®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13". Muffler Sound: Moderate. Muffler Configuration: Single - Dual. If you really...
      $78.17
    • (0 reviews)
      # mpn630006804
      Pontiac Firebird 1991, Terminator™ Oval Exhaust Muffler by Flowtech®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Muffler Configuration: Offset - Dual....
      $100.95
    • (0 reviews)
      # mpn1295593286
      Pontiac Firebird 1991, 304 SS Off-Road Y-Pipe by Stainless Works®. Material: 304 SS. Main Piping Diameter: 2.5". This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $470.25
    • (0 reviews)
      # mpn615902988
      Pontiac Firebird 1991, Stainless Steel Off-Road Y-Pipe by Kooks®. Material: Stainless Steel. Do Not contain Catalytic Converters. This product is made of high-quality materials to serve you for years to come. Designed using...
      16 GaugeFor use with Kooks Headers
      $621.83
    • (0 reviews)
      # 18220132
      Pontiac Firebird 1991, Intermediate Pipe by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $50.32 - $97.06




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    Popular Products



    1991 Pontiac Firebird Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 2 reviews
    4 of 5
    Dynatech® - Polished Street Rod Small Block Block Hugger Exhaust Header
    I Have a 1967 El Camino, I was not able to use these on mine for some reason the collector would hit my cross member on both sides. I have a Chevy 350 motor. I wish they would fit, they look great.
    DPosted by Don (Corona, CA) / December 28, 2016
    1967 Chevy El Camino
    Was this review helpful for you? Yes
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