Speed Engineering Off-Road Y-Pipe — 2014–2019 Chevrolet Silverado & GMC Sierra & GM SUVs | 4.8L/5.3L/6.2L | 25-1038 1970-jeep-cj5-esi8393076 2015-2019 Chevrolet Silverado 2500 HD

2015-2019 Chevrolet Silverado 2500 HD WT 2007-2013

These BBK Performance are perfect for modified applications where more fuel is required

The new and improved BAKFlip MX4 is constructed primarily from alloy materials

with a thicker core for a 21% improvement in volume

sold separately)

Speed Engineering Off-Road Y-Pipe — 2014–2019 Chevrolet Silverado & GMC Sierra & GM SUVs | 4.8L/5.3L/6.2L | 25-1038 1970-jeep-cj5-esi8393076 2015-2019 Chevrolet Silverado 2500 HDConnecting your Speed Engineering longtube headers to the cat back on your K2XX Silverado, Sierra, or full size SUV? This is the Y pipe that completes the system. Built from 3" mandrel bent 304 natural stainless steel with a 3. 5" exit, an optional 3" reducer, TIG welded construction, and stainless band clamps included. An optional wideband O bung is available for tuning applications. Compatible with 6 speed and 8 speed automatic transmissions.