In 1994 Gary Biggs established Flowtech Performance Exhaust with the purpose of delivering top-quality performance exhaust systems at a great value. This mission was a success since in less than 20 years the company became a leader in the cost effective exhaust systems for on- and off-road vehicles. Today Flowtech offers a great line of products, from full-length headers for the 1969 Camaro to turbo–back exhaust systems for a late model diesel truck.

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    • (2 reviews)
      # sp9313
      Performance Shorty Header by Flowtech®. 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, this product by Flowtech Exhausts will last a...
      $322.95 - $536.95
    • (0 reviews)
      # sp9309
      Performance H-Pipe by Flowtech®. 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, this product by Flowtech Exhausts will last a...
      Expertly Crafted Aluminized tubingUses OEM hangers
      $52.45 - $209.95
    • (0 reviews)
      # sp9310
      Performance Y-Pipe by Flowtech®. 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, this product by Flowtech Exhausts will last a...
      Ideal For Connecting Standard Flowtech Headers To Your Stock Catalytic Converter Equipped Exhaust SystemExpertly crafted from High Quality Aluminized Steel
      $158.95 - $308.95
    • (2 reviews)
      # sp9314
      Super Street™ Exhaust Systems by Flowtech®. 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, this product by Flowtech Exhausts will...
      $155.95 - $175.95
    • (0 reviews)
      # sp9312
      Real-Seal™ Aluminum Header Gasket by Flowtech®. 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, this product by Flowtech Exhausts...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $48.17 - $55.66
    • (1 review)
      # sp20683
      Axle-Back Exhaust System by Flowtech®. Exhaust Pipe Material: Stainless Steel. Exhaust Type: Axle-Back. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      $209.95 - $906.95
    • (0 reviews)
      # sp20677
      Mild Steel Shorty Headers by Flowtech®. CARB Compliant: Yes. System Type: Short Tube. Header Material: Mild Steel. Flowtech’s emissions-friendly headers are just the ticket for those who want the best of both worlds – top...
      $164.95 - $580.95
    • (0 reviews)
      # sp20676
      Aluminum Header Gasket Set by Flowtech®. Includes 1 Pair Head Flange Gaskets, 1 Pair Exhaust Collector Gaskets. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.60 - $14.14
    • (0 reviews)
      # sp20681
      3-Bolt Reducer with O2 Sensor Fitting by Flowtech®. 3-Bolt. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you’re getting everything you need to...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $39.59
    • (0 reviews)
      # sp20680
      X-Terminator™ Off-Road Cross X-Pipe by Flowtech®. This unique X-Terminator® Off-Road Cross Pipes configuration offer more horsepower, a meaner sound and an Xtreme advantage for Mustangs competing in drag racing, road racing, slaloms,...
      Mandrel bent 16 gauge aluminized tubingLarge 21/2” and 3” diameters for greater flow and increased performance
      $140.95 - $247.47
    • (0 reviews)
      # sp28805
      Terminator Series Muffler by Flowtech®. The Terminator is constructed entirely of super thick, fully welded aluminized steel, with huge 3” inner pass tubes that reduce backpressure and increase horsepower like no other muffler can....
      $84.59 - $219.95
    • (0 reviews)
      # sp28803
      Afterburner™ Muffler by Flowtech®. If you really want great sound and maximum horsepower, kick on the Afterburner - and kick a little butt. FLOWTECH Afterburner mufflers are your very best bet for optimum performance and awesome...
      $59.96 - $78.17
    • (1 review)
      # 142860952
      Universal Terminator™ Round Resonated Angle Cut Dual Polished Exhaust Tip by Flowtech®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Outlet Diameter: 2.5". Tip Length: 15". Tip Attachment Style: Clamp-On. This product is made of...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $51.38
    • (0 reviews)
      # sp95463
      Afterburner™ Y-Pipe by Flowtech®. Flowtech’s Y-Pipes are ideal for connecting standard Flowtech headers to your stock catalytic converter-equipped exhaust system.
      Ideal For Connecting Standard Flowtech Headers To Your Stock Catalytic Converter Equipped Exhaust SystemExpertly crafted from High Quality Aluminized Steel
      $167.95
    • (0 reviews)
      # sp127864
      Afterburner Series Racing Exhaust Headers by Flowtech®. FLOWTECH Afterburner headers provide an optimal balance between horsepower output and maximum torque. The stainless steel Turbo Chamber secondary collectors scavanges exhaust gases...
      $246.95 - $452.95
    • (0 reviews)
      # sp101498
      Cat-Back Exhaust System by Flowtech®. Flowtech Exhaust Products are the perfect combination of quality and value. Your new Exhaust system will boost horsepower, increase performance and even help improve fuel economy.
      $529.95 - $772.95
    • (0 reviews)
      # sp127871
      Universal Block Hugger Racing Exhaust Headers by Flowtech®. Flowtech Headers are the perfect combination of quality and value. This tight fit block hugger header fits all popular hot rods. Block Hugger headers are ideal for street rods...
      +1
      $281.95 - $364.95
    • (0 reviews)
      # sp127867
      Mid-Length Racing Exhaust Headers by Flowtech®. 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, this product by Flowtech Exhausts will...
      $155.95 - $599.95
    • (1 review)
      # sp127866
      Long Tube Racing Exhaust Headers by Flowtech®. FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy from your engine. Each header is formed from specially selected .060 cold roll flash...
      +2
      $155.95 - $1,132.95
    • (0 reviews)
      # sp127868
      Performance Upright Racing Exhaust Headers by Flowtech®. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging...
      $226.95 - $350.95
    • (0 reviews)
      # sp127870
      Turbo Racing Exhaust Headers by Flowtech®. Flowtech Headers are the perfect combination of quality and value. These “4 to 1” Turbo headers available in 1.75” and 1.875” tube diameters are an ideal design creating a compact...
      $185.95 - $257.95
    • (0 reviews)
      # sp130023
      Shorty Racing Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Header Style: Short Tube. Include all mounting hardware. Flowtech’s emissions-friendly headers are...
      +6
      $158.95 - $591.95
    • (0 reviews)
      # sp135197
      Performance Racing Headers by Flowtech®. Emissions: Racing Only. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder...
      Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathingHeavy duty 16-gauge tubing for increased strength and durability
      $164.95 - $216.95
    • (0 reviews)
      # mpn630006908
      Aluminum Header Gasket Set by Flowtech®. Material: Aluminum. 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, this product by Flowtech...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.60
    • (0 reviews)
      # mpn630006928
      Aluminum Header Gasket Set by Flowtech®. Material: Aluminum. 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, this product by Flowtech...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $14.85
    • (0 reviews)
      # mpn2312819400
      409 SS Axle-Back Exhaust System with Split Rear Exit by Flowtech®. Exhaust Type: Axle-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. This product is made of high-quality...
      $339.95
    • (0 reviews)
      # 865809560
      Universal Afterburner™ Oval Exhaust Muffler by Flowtech®. Muffler Body Length: 13". Muffler Sound: Moderate. If you really want great sound and maximum horsepower, kick on the Afterburner - and kick a little butt. FLOWTECH Afterburner...
      $54.60 - $78.16
    • (1 review)
      # 865854577
      Universal Red Hots™ Slip-Fit Exhaust Muffler by Flowtech®. Muffler Body Length: 18". Muffler Overall Length: 24". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Red Hots from Flowtech may be the best muffler...
      $21.93
    • (0 reviews)
      # 865813563
      Universal Terminator™ Oval Exhaust Muffler by Flowtech®. Muffler Body Length: 15". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Muffler Configuration: Center - Offset. The Terminator is constructed entirely of super...
      $84.59
    • (0 reviews)
      # 865759362
      Universal Warlock™ Oval Racing Exhaust Muffler by Flowtech®. Muffler Body Length: 13". Muffler Sound: Aggressive / Loud. Muffler Structure: Turbo. FlowTech's Warlock racing muffler may be too much for mere mortals. The high flow,...
      $95.31 - $102.95




    The brand's assortment includes remarkable product series, namely Flowtech Terminator™, Warlock™, Raptor™, etc. The company breathed new life into some names of the past like Purple Hornies™. The company offers several header lines. The shorty smog headers provide great operation while retaining stock emissions equipment for a vehicle that pollutes less. Standard full-length headers feature a painted or show ceramic finish for long service life.

    After becoming a part of Holley Performance Products in 1999, Flowtech remained true to its roots focusing on late model truck and cars. The company offers superior Flowtech exhaust systems and Flowtech headers that boost performance with quality built in. They are available for Camaros, Mustangs, and all types of full size trucks. The company added X-pipe kits with integrated cut-outs and universal X-pipe kits to its product line. It also provides premium Flowtech mufflers and Flowtech pumps. For instance, Flowtech Afterburner mufflers feature a fully-welded construction for great performance even under extreme conditions and an aluminized case for corrosion resistance. Constant advancements to manufacturing processes will keep Flowtech the leader in value priced exhaust systems.

    The company is famous for simple and at the same time efficient enhancements, for instance, slotted port flanges that ensure additional wiggle room for easier header installation. More space for the header bolts is provided by dimpling of the tubes at the port. To guarantee a tight seal, Flowtech parallels ground the header flanges. The company invented unique Flowtech Afterburner headers which separated the odd firing cylinders with a velocity tube to enhance scavenging, as well as the Warlock bypass mufflers that were received the SEMA best product award for their radically open or closed design in 1996.

    Flowtech Reviews

    Average rating:  5  4.8 - 9 reviews
    4.8 of 5
    Good But Make Sure You Buy The Y Pipes
    I love them. But you need the flowtech y-pipes to complete it. And I waited for those to be made for a month. Very easy step by step instructions. I recommend doing plugs and wires while you are there.
    LPosted by Luke (Lafayette, IN) / February 27, 2018
    2000 Pontiac Firebird
    Was this review helpful for you? Yes
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