Borla S-Type 3.5" Cat-Back Exhaust For 22-23 Chevy Silverado ZR2/GMC Sierra 1500 AT4X 2004.5-2005-6.6l-lly IFP monotube shock design reduces

IFP monotube shock design reduces fade and manages heat effectively

Universal fit means it works across a wide range of vehicles — just verify your tail pipe outside diameter matches the 2

this is 100% designed

Rated @ Stock to 350HP / 800 Ft-Lbs

Borla S-Type 3.5" Cat-Back Exhaust For 22-23 Chevy Silverado ZR2/GMC Sierra 1500 AT4X 2004.5-2005-6.6l-lly IFP monotube shock design reducesThis BORLA Cat Back system was designed specifically for the 6. 2L Silverado 1500 ZR2 and Sierra 1500 AT4X. The 3. 5" diameter system has dual 2. 75" turn down tail pipes and features the classic BORLA S Type sound level with no drone inside the vehicle. Replace the small muffler behind the primary muffler in the "S Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK" sound level (louder than "S Type"). Optional "True Dual" Cat Back