40 Delta Flow® - 2.50 Offset In / 2.50 Same Side Out - Aggressive Sound FLEECE PERFORMANCE " This requires your CP3/CP4 injection

This requires your CP3/CP4 injection System to pull your fuel under a vacuum

Replaces GM Part # 98006523

and deck-surfaced for maximum strength and reliability

you’ll enjoy smooth throttle response

the tall open evenly spaced pleats provide excellent dust holding capacity for a longer service cycle between cleanings

40 Delta Flow® - 2.50 Offset In / 2.50 Same Side Out - Aggressive Sound FLEECE PERFORMANCE " This requires your CP3/CP4 injectionThis 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.