SCHOENFELD IMCA MUFFLER

SCHOENFELD IMCA MUFFLER slides into 3" or 3 1/2"
collectors. Removes 9 DB of sound. 

IMCA rule...

16. EXHAUST: Round tube headers only. All primary header tubes must enter directly into one collector at same point at end of header. Must remain dual exhaust, no crossover or “Y” pipes. No exhaust through body panels or fenders. Schoenfeld mufflers, stamped IMCA609, must be used if track has noise reduction rule of 98 d.b. or more. All exhaust must go through muffler, two per car, one per header. No merge collectors. No exhaust sensors.