C7 Corvette 2" Longtube Headers | 2014-2019 (LT1 LT4 Engines) Speed Engineering Off-Road X-Pipe: C7 Off-Road X-PipeEnhance your C7 Corvettes performance with these precision engineered 2" longtube headers designed specifically for 2014 2019 LT1 and LT4 engines. Paired with the Speed Engineering Off Road X Pipe, this setup improves exhaust flow, increases horsepower, and delivers a more aggressive exhaust note without compromising durability. Engineered for optimal fitment and maximum efficiency, this combination is ideal for enthusiasts seeking superior throttle