05-13 Magnaflow Cat Back Exhaust System - Magnapack - LS2 / LS3
* Tubing O.D. Size is 2.5in. * Tip O.D. Size is 4in. * Single/Dual: Dual * 4" x 18" Resonators Lifetime warranty, Dyno tested and proven to make power, performance gains in horsepower and torque, great sound-has a smooth, deep tone, easy to install, Mandrel-Bent. All welded, Built to last.