Schoenfeld IMCA609 Slip-On IMCA Spec Muffler 3″ Inlet/3.5″ Outlet


  • Inlet Size: 3.000 in.
  • Outlet Size: 3.5 in.
  • Muffler Length (in): 6.000 in.
  • IMCA Approved
SKU: SHOIMCA609 Categories: ,

Since the dreaded muffler rule is coming to more and more racing classes, it makes sense to run a muffler proven to reduce sound and free-up horsepower. These IMCA-approved collector mufflers from Schoenfeld Headers remove a full nine decibels of sound. They’re available in different lengths and inlet/outlet sizes to fit your exhaust application. When your reputation is on the line, run with Schoenfeld Headers IMCA-approved collector mufflers!

Weight 1.36 lbs


Off-Road Racing Use Only

Manufacturer Part Number



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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to