These high-flow, mandrel-bent, 304-stainless downpipes remove the restrictive stock catalytic converters for better flow, faster turbo-spool and improved transient response. This downpipe kit is a direct OEM replacement and will bolt up to the stock exhausts system or aftermarket systems alike.
Take your Stage2 GT-R with upgraded Y-Pipes to the next level with the COBB Tuning 3Ó Race Downpipe Kit. Consistently improve turbo spool-up by 250-300RPM and open the door to maximum stock turbo power output when coupled with complementary modifications including; injectors, fuel pumps, intakes, boost tubes and intercoolers.
Race free-flow design
Large 3" 304 stainless steel construction
Direct OEM fitment
TIG welded fabrication
.375" turbo flange
.475" midpipe flange
The COBB Tuning 3" Stainless Steel Race Downpipes are the same downpipes that helped power our COBB Motorsports Redline Time Attack Modified Class GT-R to a Class Championship in 2010! Designed to bolt up to the stock turbos or stock-location upgraded turbocharger kit, this downpipe kit has been rigorously track-tested and proven reliable at power levels beyond 800whp.
Most items may be returned within 30 days of the product arriving to your house or place of work. Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved. All returns will be subject to a 15% restocking fee minus complete shipping cost. For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.