Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet 57341111 1983-1990 GMC S15 Jimmy

1983-1990 GMC S15 Jimmy

Race Breather

00 in Collector to 2

Cylinder Head Gasket

diameter tubing Up to 4 in

Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet 57341111 1983-1990 GMC S15 JimmyThis two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. 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 Exterior