CP-E MazdaSPEED3 Gen. 1 Gen. 2 07- QKspl Cast Bellmouth Downpipe 3.00 Stainless Steel NO CAT OFF ROAD USE ONLY

The CP-E (Custom Performance Engineering) QKspl Cast Bellmouth Downpipe is a 3-inch 304 stainless steel performance upgrade for the Mazdaspeed3, replacing the restrictive factory unit to improve exhaust flow and power. It features a cast stainless steel flange, bellmouth design, and three O2 sensor bungs, including one for an aftermarket wideband. An optional high-flow catalytic converter is available, or a catless version with a Tuneable O2 Sensor Kit for off-road use. Made in the U.S.A., it comes with a lifetime warranty and is designed for the 2.3L MZR L3-VDT engine with a 6-speed manual transmission.