Flowmaster HP-2 Series " Shorty" Muffler- 2.5" Inlet, 2.5" Outlet - 12" Case - 409S H774009L 4-Bolt Mains

4-Bolt Mains

If you want to lower the sound pressure level (SPL) of your CrateMufflers

but PT Boats and airplanes

Pit Stop USA offers Bell 10 Hole Top Air - V05 Nozzle - 45/90 Degree - Matte Black 2070138 at low everyday prices

Bolt style screws into spark plug hole while plate type bolts across any cylinder bore when heads are off

Flowmaster HP-2 Series " Shorty" Muffler- 2.5" Inlet, 2.5" Outlet - 12" Case - 409S H774009L 4-Bolt MainsConstructed with an 12" long, painted 409S outer shell, and 409 Internal components. Available in 2. 00", 2. 25", and 2. 50" inlet outlet sizes. Featuring the same the same technology as the standard HP 2 mufflers, the 409S HP 2 "Shorties" have a shorter case length of 12 inches and a 4. 00 X 5. 50 inch width. Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle. The 409S HP 2 "Shorties" feature a painted