Flowmaster - Super 40 - 2.50 Center In / 2.50 Center Out - Aggressive Sound and factory-mounting locations are used

and factory-mounting locations are used for an easy installation

Take the performance of your vehicle to the next level with the addition of Flowmaster's new Delta Force Performance Air Intake system for 2009-2014 GM Silverado/Sierra 1500 Trucks with 4

or the Flow FX muffler # 71415

Water / Methanol Injection Controller - 0-5v/MAF - Wiring Harness - Kit

500 in OD - 0

Flowmaster - Super 40 - 2.50 Center In / 2.50 Center Out - Aggressive Sound and factory-mounting locations are usedDeveloped from our Top Ten race muffler lineup for use on the street strip, the Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology.