Flowmaster 40 Series Race Muffler 409S - 3.50 Center In / 3.50 Center Out -Aggressive Sound HANS 3/8 in NPT

3/8 in NPT

5 x 1 in Forward

The Delta Force Air Filters are serviceable with our new Delta Force cleaning kits which will help outlast your vehicle

and features while catering to the grassroots racer to help them live their motorsports dreams

1999-2006 GMC Sierra 1500 78

Flowmaster 40 Series Race Muffler 409S - 3.50 Center In / 3.50 Center Out -Aggressive Sound HANS 3/8 in NPT40 Series Race Muffler 409S 3. 50 Center In 3. 50 Center Out Aggressive Sound Universal Race Muffler Not a direct fit. Some adaptation required. The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Please call