Cat-Back Exhaust System - ATAK® 4.0" SRM 400 come with a

SRM 400 come with a Limited Lifetime warranty on materials and construction and a 5 year warranty on the Textured Black Finish

0 5x108mm +20 75

Premium Clamps and a Silicone Coupling Provide a Secure Seal

65mm +35 74

Cat-Back Exhaust System - ATAK® 4.0" SRM 400 come with aThis system was designed specifically for the 6. 2L Silverado 1500 ZR2 and Sierra 1500 AT4X. The 3. 5" diameter Cat Back(tm) system has dual 2. 75" turn down tail pipes and features the aggressive Borla(r) ATAK(r) muffler and Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full bodied sound without any drone.