Downpipes

Remove or replace your Subaru's stock catalytic converter with a better flowing unit that opens the diameter of the exhaust exiting of your car for increased performance.

Downpipes

Remove or replace your Subaru's stock catalytic converter with a better flowing unit that opens the diameter of the exhaust exiting of your car for increased performance.

Showing 1 - 20 of 51 items
  • TR J-Pipe is a bolt-on solution to replace the factory J-Pipe for the 2015+ Subaru WRX. TR J-Pipe features almost 3-inch in diameter throughout the pipe to free significant amount of exhaust flow compared to factory exhaust. TR J-pipe is mandrel bent and constructed from 304 stainless steel material with lasting resistance to corrosion. J-pipe also comes with the adapter flange to use with the factory cat-back exhaust. The TR J-pipe will free up more power potential from the FA20 motor. 

     

    FOR 6-SPEED MANUAL TRANSMISSIONS ONLY

     

    Specifications

    • Stainless Steel 204 Construction
    • 100% Bolt-On
    • 3-Inch Diameter
    • Adapter Flange for Factory Catback

    Kit Contents

    • TR J-Pipe
    • Hardware & Gasket
    • Adapter Flange

    Not CARB Legal

    Subaru
  • TR J-Pipe is a bolt-on solution to replace the factory J-Pipe for the 2015+ Subaru WRX. TR J-Pipe features almost 3-inch in diameter throughout the pipe to free significant amount of exhaust flow compared to factory exhaust. TR J-pipe is mandrel bent and constructed from 304 stainless steel material with lasting resistance to corrosion. J-pipe also comes with the adapter flange to use with the factory cat-back exhaust. The TR J-pipe will free up more power potential from the FA20 motor. 

     

    FOR 6-SPEED MANUAL TRANSMISSIONS ONLY

     

    Specifications

    • Stainless Steel 204 Construction
    • 100% Bolt-On
    • 3-Inch Diameter
    • Adapter Flange for Factory Catback

    Kit Contents

    • TR J-Pipe
    • Hardware & Gasket
    • Adapter Flange

    Not CARB Legal

    Subaru
  • The COBB Tuning turbo downpipe is one of the premier modifications most owners look to upgrade on their vehicle. By opening the diameter of exhaust flow coming out of the turbo, the COBB downpipe unleashes more power potential over the stock restrictive unit.

     

    Not CARB Legal

    Subaru
  • A smooth and unrestrictive exhaust path after the header is key to engine power and performance. With smooth bends and larger diameter tubing, the PERRIN Performance overpipe increases flow without adversely effecting overall exhaust velocity.

    Not CARB Legal

    Scion
    Subaru
  • The TXS cat-back adapter allows you to use our ORIGINAL design downpipe (WS-DP) with any 3" catback exhaust system.

    Not CARB Legal

    Subaru
  • NEW DESIGN! 

     

    TurboXS 2002-2007 WRX/STI downpipe with high flow catalytic converter uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0 inch piping where it connects to the mid-pipe.  Unlike previous designs, the new TurboXS downpipe will bolt to any stock or 3 inch aftermarket catback exhaust system.

    Not CARB Legal

    Subaru
  • TurboXS 2002-2007 WRX/STI catless downpipe uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0" piping where it connects to the mid-pipe.  Unlike previous designs, the new TurboXS downpipe will bolt to any stock or 3" aftermarket catback exhaust system.


    Not CARB Legal

    Subaru
  • Basic mods like the Cold Air Intake and Blow off Valve did not give you the power you want? It's time to take the next step, that next step is our Stealthback. Includes our industry first bellmouth design downpipe. You can mix and match with our race pipe which allows you to have a catted or catless options. Most downpipes on the market do not offer this. So this is bonus!

    Not CARB Legal

    Subaru
  • TurboXS 2008+ WRX/STI GT/GTX Rotated Mount TurboKit is designed to allow you to bolt a GT or GTX series turbocharger with a Garrett T3 3inch Outlet V-band exhaust housing on to your WRX or STI.

    Not CARB Legal

    Subaru
    $1,049.03
  • NEW DESIGN! 

     

    This downpipe with high flow catalytic converter uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0" piping where it connects to the mid-pipe.

    Not CARB Legal

    Subaru
  • This catless downpipe uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0" piping where it connects to the mid-pipe.

     

    Not CARB Legal

    Subaru
  • Front Pipe (J-pipe) with High Flow Catalytic Converter for your 2015 Subaru WRX (W15-FPC).

    Not CARB Legal

    Subaru
  • The TurboXS Catless Front Pipe (J-pipe) for your 2015 WRX is one of single best power adding modifications you can do.  Add up tp 30 lb-ft and 25 whp!

     

    Not CARB Legal

    Subaru
  • With the 2015 J-Pipe, the devil is truly in the details and the product development team here at GrimmSpeed has taken the time necessary to knock each of those details out of the park. As a result, what you see here is a meticulously engineered J-Pipe with an innovative flange design, single piece construction, excellent ground clearance and fitment with superb quality and craftsmanship.

    Not CARB Legal

    Subaru
  • With the 2015 J-Pipe, the devil is truly in the details and the product development team here at GrimmSpeed has taken the time necessary to knock each of those details out of the park. As a result, what you see here is a meticulously engineered J-Pipe with an innovative flange design, single piece construction, excellent ground clearance and fitment with superb quality and craftsmanship.

    Not CARB Legal

    Subaru
  • A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters, killing the power potential of your car. Within our complete lineup of downpipes, you have the option to add a high-flow, 300 cell catalytic converter, fully machined and contoured flanges with beautiful brushed tubes and black ceramic coating. 

     

    Whether you're racing time attack or to work and back, we've got the perfect downpipe for you.

    Not CARB Legal

    Subaru
  • A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters, killing the power potential of your car. Within our complete lineup of downpipes, you have the option to add a high-flow, 300 cell catalytic converter, fully machined and contoured flanges with beautiful brushed tubes and black ceramic coating. 

     

    Whether you're racing time attack or to work and back, we've got the perfect downpipe for you.

    Not CARB Legal

    Subaru
  • A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters, killing the power potential of your car. Within our complete lineup of downpipes, you have the option to add a high-flow, 300 cell catalytic converter, fully machined and contoured flanges with beautiful brushed tubes and black ceramic coating. 

     

    Whether you're racing time attack or to work and back, we've got the perfect downpipe for you.

    Not CARB Legal

    Subaru
  • A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters, killing the power potential of your car. Within GrimmSpeed's complete lineup of downpipes, you have the option to add a high-flow, 300 cell catalytic converter, fully machined and contoured flanges with beautiful brushed tubes and black ceramic coating. 

     

    Not CARB Legal

    Subaru
  • The COBB Subaru J-Pipe for the 2015+ WRX is a direct replacement unit which features full CNC mandrel bent 304 stainless steel construction, a high quality metal spun catalytic converter, and an adapter for use with the factory catback. All of these features combine into an excellent replacement for the power robbing factory unit!

     

    Not CARB Legal

    Subaru
Showing 1 - 20 of 51 items