Flowmaster HP-2 Series " Shorty" Muffler- 2.5" Inlet, 2.5" Outlet - 12" Case - 304S M59S3 12 AN Female O-Ring Outlet

12 AN Female O-Ring Outlet Ports

and feature a fine-tuned spring rate to give you the ultimate in handling

Spindle Checker Slug

Vehicle Applications: 1960 thru 1981 Plymouth Cars and Trucks 8 Cylinders

Increased memory with faster processor for improved tuning & updating speed

Flowmaster HP-2 Series " Shorty" Muffler- 2.5" Inlet, 2.5" Outlet - 12" Case - 304S M59S3 12 AN Female O-Ring OutletConstructed with a 12" long, polishable 304S 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 304S 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 304S HP 2 "Shorties" feature a ready