Dynatech Split-Flow Round Race Muffler - 3 1/2" Round - 6" Length x 5" Diameter - UDTRA Approved SR09053-0 Master Cylinder Material: Aluminum with

Master Cylinder Material: Aluminum with As-Cast Finish

1-5/8 in Slit

1983-1986 GMC S15 Jimmy

additional feet with no loss in accuracy or response

Dynatech Split-Flow Round Race Muffler - 3 1/2" Round - 6" Length x 5" Diameter - UDTRA Approved SR09053-0 Master Cylinder Material: Aluminum withThe 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