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Squeeze maximum power and torque out of your GMC Topkick engine with any of the high performance exhaust systems available at CARiD. There is an exhaust system for every GMC Topkick truck, from 1990 models to 2009 editions. When choosing between exhaust systems, go for the exhaust that is custom built for your Topkick engine. Performance exhaust manufacturers are very particular about results and match each exhaust system to a specific engine size and car specifications in order to acquire the best results. Attempting to install a GMC Topkick custom exhaust system that is deigned for a bigger engine may lead to loss of power instead of achieving the intended purpose of increasing horsepower. With exhaust systems and exhaust kit from top manufacturers such as Borla, MagnaFlow, Flowmaster, Gibson, RBP, MBRP, Onki, Weapon-R and dB, you will have an easy time choosing what works for your truck.

Direct replacement exhaust systems from any of these brands give between 5% and 10% additional horsepower and torque. With the additional power, your truck’s towing power is enhanced and hauling the truck in tricky road conditions is no longer a big challenge. The engine will release more power at low rpm, meaning your drives will be more thrilling and fulfilling. Throttle response is enhanced and you will enjoy a shorter waiting period between the time you press the accelerator and the time power hits home. Overall efficiency in the engine is boosted and unburned fuel mixture no longer leaves the engine. The result is better fuel consumption and increased fuel mileage for you. Your GMC Topkick will sound a lot better than it ever did with a custom exhaust system fixed into place - the new exhaust note is deeper and more pronounced than the stock/OEM exhaust sound.

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    • (0 reviews)
      # sp7125
      Universal Scavenger X-Pipe Kit by Flowmaster. The Patented D-Port design of the Scavenger X-Pipe Kit creates a low-pressure area where the exhaust pulse from one pipe helps pull the next exhaust pulse from the other pipe out of the...
      $71.08 - $373.93
    • (0 reviews)
      # sp15908
      IMCA Southern Sport Mod Mild Steel Headers by Dynatech. Tube Outlet Diameter: 1.63". Collector Diameter: 3.00". Collector Length: 7.75". Flange Style: Square Port. Flange Thickness: 0.25". Port Height: 1.52". Port Width: 1.35"....
      $229.99
    • (0 reviews)
      # sp14615
      These Small Block Chevy Mid Length Modified Headers have been designed for use with straight or angle plug heads and standard Chevy engines. The Mid Length design promotes excellent torque throughout the RPM range. CNC Laser Cut...
      $239.99 - $309.99
    • (0 reviews)
      # sp14616
      Mild Steel IMCA Modified Headers by Dynatech. 1 Pair. These Small Block Chevy Modified Headers have been designed for use with standard Chevy engines. CNC Laser Cut Flanges and optimized tube length for best overall performance. 17...
      $269.99 - $329.99
    • (0 reviews)
      # sp14617
      604 Crate Engine Dirt Late Model Headers by Dynatech. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate...
      $379.99
    • (0 reviews)
      # sp14618
      Dirt Late Model Headers by Dynatech. These Long Tube Dirt Late Model Headers are designed for use with standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range. CNC Laser Cut Flanges and...
      $309.99 - $374.99
    • (0 reviews)
      # sp14619
      Long Tube Pavement Late Model Headers by Dynatech. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range. Slip-on style...
      $389.99 - $399.99
    • (0 reviews)
      # sp14622
      Pro Stock Ceramic Coated Headers by Dynatech. Sold as Pair. Designed for heads that use the factory Big Block Chevy bolt pattern. The optional tube sizes and collectors make it easy to match a header collector combination with the...
      $739.99 - $1,399.99
    • (0 reviews)
      # sp15923
      604 Crate Engine Stainless Steel Dirt Late Model Headers by Dynatech.
      $924.99
    • (0 reviews)
      # sp17204
      Tight Tuck Street Rod Headers by Patriot Exhaust. Tight Tuck headers are the solution to many problems associated with engine swaps in modern street rods. Tight Tucks fit in the tightest of engine compartments and clear most stock...
      $192.67 - $481.70
    • (0 reviews)
      # sp17205
      Raw Steel Bucket Sprint Car Style Headers, 1 5/8" Tubes, 3 1/2" Collector by Patriot Exhaust.
      $231.00
    • (0 reviews)
      # sp17206
      Tri-5 Mid-Length Headers by Patriot Exhaust. Header made from Steel. Collector Diameter: 3.5". Our popular 55-57 Chevy passenger car headers for small or big block and LS1 / LS6 swaps offer superior performance and fit. These...
      $223.45 - $368.32
    • (0 reviews)
      # sp14624
      Tri-Y Headers by Schoenfeld Headers.
      $341.20 - $699.46
    • (0 reviews)
      # sp14625
      Conventional Crossover Tri-Y Headers by Schoenfeld Headers. 4 Into 2 Into 1 Tube Configuration for Increased Torque.
      $263.20 - $671.84
    • (0 reviews)
      # sp14627
      Dirt Late Model Headers by Schoenfeld Headers. Comes in a set. Includes Bolts/Studs, Gaskets. Header made from Steel.
      $263.20 - $745.48




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    Popular Products

    GMC Topkick Performance Exhaust Systems Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    AP Exhaust
    My GMC was performing badly going up the hills and mechanic coded it and all the mistakes were related to O2 sensors, I needed a really good converter which could fix all these issues and with long time service warranty, a friend of mine recommended me CARiD and so will do I - also recommend it. Mechanic put it on, and it was the best day of my GMC life.
    YPosted by Yvette (Lemoore, CA) /
    1999 GMC Topkick
    Was this review helpful for you? Yes
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