Tomioka Racing Subaru Twin Scroll Down Pipe for WRX/STI is a high quality downpipe at an affordable price. The Twin Scroll Downpipe features larger diameter piping with ported flanges for a quicker and faster exhaust air flow compared to the standard OEM downpipe. Each downpipe is constructed of SUS304 grade stainless steel that gives it shine and durability that will last for years to come. Installation is a snap! The downpipe will fit like your OEM downpipe and comes with all the necessary hardware and gasket. If you’re looking for the best bang for your buck downpipe look no further!

Dyno Graph courtesy of Emelia Hartford

Graph includes the following modifications to “Poop-Turd”.

• Stock JDM EJ205 w/ AVCS
• OEM Twin Scroll Headers, Uppipe and Turbo
• 1000CC Deatschwerks Injectors and DW300 Fuel Pump
• Tomioka Racing Twin Scroll Catless Downpipe
• Borla Cat Back Exhaust
• Haltech Platinum Pro tuned by Bill from Delicious Tuning
• Running Flex Fuel E85. Was full E85 for these passes.

Characteristics

Kit Contents:
Twin scroll Downpipe x 1
Down pipe to Exhaust Gasket x1
Down pipe to Exhaust Nuts & Bolts x2

*Off Road Use Only. This is a USDM Length downpipe. This downpipe will only fit on 2002 – 2007 Subaru WRX/ 2004-2007 Subaru STi with existing twin-scroll turbo and Twin scroll exhaust manifold set-up.*