40 Delta Flow® - 2.00 Offset In / 2.00 Center Out - Aggressive Sound 1998-pontiac-firebird-esi4271216 lightweight

lightweight

With brazed

All of our Exhaust Manifold Flanges have had their exhaust port size optimized for either standard wall round tubing or Schedule 10 weld fittings

The Delta Force Air Filters are serviceable with our new Delta Force cleaning kits (# 615001) which will help it outlast your vehicle

BMRs AWK001s upper bushing lockout rings capture the bushing sleeves

40 Delta Flow® - 2.00 Offset In / 2.00 Center Out - Aggressive Sound 1998-pontiac-firebird-esi4271216 lightweightThis two chamber design incorporates Flowmaster's Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.