Factory Single Side Exit vehicles ONLY. The 140800BC Cat-Back(tm) system will give your 2.7L Silverado and Sierra the right sound and performance without any of the annoying drone often found in four cylinder applications. The Borla(r) S-Type Cat-Back(tm) system is tuned for flow and sound on the turbo four cylinder engine of the GM 1500 trucks. This system features a 4" black chrome on T-304 stainless steel tip. A bright chrome on T-304 stainless steel tip is also available. Using Borla(r) Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. Add Adapter 60708 For Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. The system is constructed using premium, high quality T-304 stainless steel which is superior to 400 series. Borla(r) exhaust systems are covered under our Million-Mile warranty with the following exceptions. Borla(r) will warranty black coatings, tip finishes, and carbon fiber parts for one year.
Installation Instructions


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