This system will fit vehicles with and without NPP valves. BORLA? system does NOT include NPP valves. The single 2.5" diameter Into the muffler with dual 2" out Cat-Back* system delivers the S-Type II sound which utilizes a muffler design that eliminates sound frequencies that are often associated with resonance or drone. The exhaust exits thru dual 4" round polished T-304 stainless steel tips on each muffler. BORLA? Cat-Back* & Axle-Back exhaust systems feature patented straight-through and multi-core technology 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, high-quality T-304 austenitic 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 numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA? stands behind every system with a Million-Mile Warranty. Just what you*d expect from the world*s most experienced (and most winning) exhaust brand.
S-Type II Axle-Back Exhaust System 2009-2013 Chevrolet Corvette (C6) 6.2L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door Coupe/ Convertible.
Million Mile Warranty
2009-2013 Chevrolet Corvette (C6) 6.2L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door Coupe/ Convertible.

Fitment:
2009 Chevrolet Corvette Base
2009 Chevrolet Corvette ZR1
2010 Chevrolet Corvette Base
2010 Chevrolet Corvette Grand Sport
2010 Chevrolet Corvette ZR1
2011 Chevrolet Corvette Base
2011 Chevrolet Corvette Grand Sport
2011 Chevrolet Corvette ZR1
2012 Chevrolet Corvette Base
2012 Chevrolet Corvette Grand Sport
2012 Chevrolet Corvette ZR1
2013 Chevrolet Corvette Base
2013 Chevrolet Corvette Grand Sport
2013 Chevrolet Corvette ZR1