The Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound. 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. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Deep Aggressive to Moderate Exhaust Note Moderate Interior Resonance Excellent Performance On High Horsepower Vehicles Race Proven Patented Delta Flow® Technology No Internal Packing To BlowoutApplications include: C10 Pickup, C10 Suburban, C15/C1500 Pickup, C1500 Pickup, Dakota, K10 Pickup, K10 Suburban, K15 Pickup, K15/K1500 Pickup, K1500 Pickup, R10 Pickup, R1500 Pickup, Chevrolet, Dodge, Gmc, 2003, 2002, 2001, 2000, 1998 Product Description: Super 40 Series Muffler, 2.25" IN (O) / OUT (O), Opposite Side Offsets,: ea, 16 Gauge Aluminized SteelPit Stop USA offers Flowmaster Super 40 Delta Flow Muffler - 2.25" Offset - Inlet / Opposite Side Offset Outlet 952448 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Chevrolet C10 Mufflers and Components and Flowmaster 40 Series Delta Flow Mufflers.