Flowmaster 2.5 IN(O)/2.25 OUT(D) 40 Series DF Muffler

This 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.

• Excellent Street/Strip and Off Road application
• Durable fully welded 16 gauge aluminized steel
• Race proven Delta Flow technology
• No internal packing to blowout