Flowmaster 9420502 - Flowmaster 50 Series Delta Flow Street Mufflers

This is the latest design of the 50 series™ mufflers that utilizes patented Flowmaster "Delta Flow" technology along with an Helmholtz Chamber to eliminate most all interior resonance and still have that famous Flowmaster sound outside the vehicle. Constructed of 16 gauge aluminized steel and fully mig-welded for maximum durability.