22- GM P/U 1500 ZR2/AT4X 6.2L Cat Back Exhaust Lug Bolts reducing parasitic drag on the

reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle

This insulating characteristic and rapid cooling after hard acceleration reduce heat in the air intake tract when compared to air intakes constructed of aluminum or other metals

Heat is the enemy of performance

one for vehicles that weren't equipped with a factory oil cooler and the other as an upgrade for the stock unit

Without hearing it you would never know an aftermarket exhaust was on the vehicle as the design utilizes the stock cutouts in the rear bumper and not aftermarket tips which leave the elegant and seamless styling of the sedan intact

22- GM P/U 1500 ZR2/AT4X 6.2L Cat Back Exhaust Lug Bolts reducing parasitic drag on theExhaust System S Type Cat Back 2. 5 in Diameter 2. 75 in Tailpipes Stainless Natural GM Fullsize Truck 2022 Kit