Flashark Chevy/GMC downpipe and Chevy/GMC test pipes are engineered to improve turbocharger efficiency by directing exhaust gases away from the turbine, boosting horsepower. The Chevy/GMC downpipe connects where exhaust gases escape and lead into the exhaust system, reducing restrictions and enhancing exhaust flow. Choose between our downpipe or test Pipes to elevate your driving experience with increased power and performance. Experience precision and power with Flashark.