Mishimoto Catted J-Pipe 2015-2021 WRX

Mishimoto is proud to release the Performance Downpipe for the 2015+ Subaru WRX. The biggest restriction in the stock exhaust system is the downpipe. By installing the Mishimoto Performance Stainless Steel Downpipe, the FA20-DIT exhaust system is able to breathe easier, providing a significant increase in horsepower and torque when tuned. 

DETAILS:

• Direct fit for the 2015+ Subaru WRX 6SPD
• Dyno-proven gains of up to 57 whp and 52 wtq with the catted downpipe and a tune, using 93 octane fuel on 6-speed WRX (see additional images for dyno chart)
• Dyno-proven gains of up to 73 whp and 64 wtq with the catted downpipe, a tune, and the Mishimoto Subaru WRX Performance Air Intake, using 93 octane fuel on 6-speed WRX (see additional images for dyno chart)
• Significant torque improvement in the low end and across the entire power band
• Fits with both CVT and manual transmissions
• Extremely aggressive turbo and exhaust tone under acceleration and boost
• 304 stainless steel one-piece design allows for uninterrupted exhaust flow
• 3/8" thick stainless steel, CNC-machined four-bolt flange
• 3.5" to 3.0" transition out of turbo outlet allows exhaust gas to flow smoothly
• Additional wideband oxygen-sensor bung and plug in ideal location for aftermarket wideband sensors
• Mates with the stock cat-back exhaust
• New studs for turbine housing
• Includes stock gasket for turbo outlet
• Mishimoto Lifetime Warranty

INCLUDED:

• (1) Stainless Steel Downpipe w/ 4-Bolt Turbo Flange and 2-Bolt Cat Flange
• (1) Stainless Steel Transmission Bracket (Manual or CVT)
• (1) High-flow Catalytic Converter
• (1) Additional M18 x 1.5 O2 Bung with Plug
• (1) 4-Bolt Flange Gasket
• (1) 2-Bolt Flange Gasket
• (4) M10 x 1.25 Exhaust Studs
• (2) M10 x 1.25 x 40mm Hex Bolts, Stainless Steel
• (6) M10 x 1.25 Serrated Flange Nuts, Stainless Steel
• (2) M10 x 1.25 x 16mm Hex Bolts (w/ 5mm Head Height), Stainless Steel
• (4) M10 Washers, Stainless Steel
• (2) M8 x 1.25 x 20mm Flange Bolts, Stainless Steel
• (1) M6 x 1.0 x 10mm Flange Bolt, Stainless Steel
• Mishimoto Lifetime Warranty