Tipping the scales at 75 pounds (34 kilograms), the NPP exhaust system of the C8 Stingray Z51 doesn’t sound half bad when the V8 idles or redlines. Made by Tenneco for GM, the quad-piped exhaust does ...
Per GM Authority sources, the refreshed 2024 GMC Yukon, as well as the extended-length Yukon XL, will both offer the dual active exhaust system, tagged with RPO code NPP. Interestingly, this is the ...
According to GM Authority sources, the refreshed 2024 Chevy Tahoe and 2024 Chevy Suburban will offer a dual active exhaust system tagged with RPO code NPP. Notably, the same dual active exhaust system ...