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 942553 4304803-01-04 The ST5 GT Offshore is

The ST5 GT Offshore is designed for Offshore Boat Racing but ready for GT cars

you can be assured of the most accurate possible readings of the life blood of your engine

5" Hg / #HLY125-75 - Opening Vacuum 7

Chevrolet: C20 75 - 85 5

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 942553 4304803-01-04 The ST5 GT Offshore isThe 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 aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Mild to Moderate