Dynatech Split-Flow Round Race Muffler - 3 1/2" Round - 6" Length x 5" Diameter - UDTRA Approved SR09053-0 Adapters Fit 3/8 - 24

Adapters Fit 3/8 - 24 Threads

1983-1986 GMC S15 Jimmy

450" OD works well with our 7256 conical valve springs in

Established in 1946

Dynatech Split-Flow Round Race Muffler - 3 1/2" Round - 6" Length x 5" Diameter - UDTRA Approved SR09053-0 Adapters Fit 3/8 - 24The Split Flow racing muffler is the "hot topic" among racers, and for good reason. The straight thru design can handle big power. The exclusive dual pattern core reduces dB levels while maintaing a powerful sound. The all aluminized, fully welded construction, make it a top choice for racing and high performance applications. Straight thru design for maximum flow. Dual pattern core for reduced sound levels. All aluminized materials and welded