Cat-Back Exhaust System - ATAK® 4.0" The end caps are made

The end caps are made with an ultra-high strength nylon composite material

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

Features 3 Stability Baffles

20-26 SILVERADO/SIERRA HD (EXCLUDING AT4X/ZR2)

Cat-Back Exhaust System - ATAK® 4.0" The end caps are madeThis 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.