EXCEPT ZR2 & AT4X models.Factory Split Rear Exit Vehicles ONLY. This system features a black chrome finish on T-304 stainless steel tips. Using BORLA® Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. Replace the small muffler behind the primary muffler in the BORLA® "S-Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK®" sound level (louder than "S-Type"). Optional "True Dual" Cat-Back® system available, see the Related Parts section. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.
Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer umerical control (CNC) manufacturing ensures an accurate fit.