3-Inch Cat-Back Single Exhaust System

The Gibson Performance Exhaust 615571 is a premium cat-back exhaust system crafted from durable stainless steel, engineered to enhance the performance of 1988-1993 Chevrolet and GMC 1500 Pickup trucks equipped with 5.7L or 7.4L engines. This system utilizes 3-inch diameter tubing and features a single side exit configuration. Designed for optimal flow and reduced restriction, the 615571 system aims to deliver improved acceleration, increased towing and passing power, and enhanced hill-climbing capabilities. It is considered Gibson's best-performing exhaust system, offering a significant upgrade over stock. Fitment includes various trim levels such as Cheyenne, Scottsdale, and Silverado for the C1500 and K1500 models. Specifically, it fits 1988-1989 Chevrolet C1500 with 5.7L engines, 1990 Chevrolet C1500 with 5.7L and 7.4L engines (including the 454 SS), and extends to C2500 models from 1989-1993. The system also fits Chevrolet K2500 Standard Cab Pickup models with 5.7L V8 engines from 1988-1993.