DynoMax Ultra Flo Cat-Back Exhaust System - 3 in Diameter - Single Rear Exit - 3 in Polished Tip - GM Fullsize Truck 1999-2007 Racing Head Service Ideal for all types of

Ideal for all types of racing

Big Block and 90 degree V6 Chevy engines with spin-on oil filters

7/8-14 in NPT Male O-Ring to 3/8 in Hose Barb

Airflow Vents located in the Chin and Scalp with Rear Exhausts

2001-2007 Chevrolet Silverado 1500

DynoMax Ultra Flo Cat-Back Exhaust System - 3 in Diameter - Single Rear Exit - 3 in Polished Tip - GM Fullsize Truck 1999-2007 Racing Head Service Ideal for all types ofDynoMax Stainless Steel Cat Back Exhaust System 39311 3 in. Single System Single RH(Passenger) Side Exit Includes Ultra Flo Welded Muffler 3 in. Polished Stainless Steel Tip 50 State legal Mandrel Bent Stainless Steel Tube Stainless Steel Ultra Flo+ Muffler 90 Day Performance And Sound Guarantee Limited Lifetime Warranty 100% welded design for maximum durability Straight through design ensures unrestricted exhaust flow and reduces back pressure CRF