Flowmaster 50 Series Delta Flow Muffler - 2-1/2 in Offset Inlet - 2-1/2 in Offset Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 842553 Hex Head Plugs HushMat is the #1 rated

HushMat is the #1 rated material as designated by multiple independent studies

2001-2006 GMC Sierra 3500 CID 403 CC 6599 6

2008-2017 Dodge Challenger

Grizzly Lockers provide 100% power to both tires

This Kit is most commonly used to adjust tire pressures on a car just before a race or to top off a set of tires in the pits before the next test session

Flowmaster 50 Series Delta Flow Muffler - 2-1/2 in Offset Inlet - 2-1/2 in Offset Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 842553 Hex Head Plugs HushMat is the #1 ratedThe three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 409 Stainless Steel Limited Lifetime Warranty Mild to Moderate