2015 Kooks Headers for Caprice 2007-2016 ✔ 1.7/8 Long Tube ✔ High-quality, heat-resistant stainless steel ✔ Better exhaust flow = stronger engine breathing ✔ Faster response from the first press 🔥 ✔ Deep and aggressive V8 sound 🔊 💥 Increases engine power by 35 to 40 horsepower and torque - (For communication and orders, click on the word 'Contact' at the bottom of the page) .