Extreme Techologies is very excited about our new partnership with IMCA for the started in year 2010. Extreme Pro-Series Square Oval is recommended by IMCA for those race tracks that have dB rules of 97 db or lower.
2010 IMCA Modified Muffler Rules: Any Race Track with a 97 dB or lower rule; IMCA Rule No. 16 recommends the use of two Extreme Mufflers. See recommended mufflers below.
- All California Fairground Tracks require 95dB or below.
- Ventura Raceway, Santa Maria, Tulare Thunderbowl and many other State Fairground race tracks will be implementing this new rule starting in 2010.
- Don't get turned away at the track because your car is to loud; get a new set of Extreme Pro-Series IMCA Mufflers today!
IMCA 2010 Rule Book - Rule No. 16. EXHAUST: Round tube headers only. All primary header tubes must enter directly into one collector at same point at end of header. Schoenfeld mufflers, stamped IMCA609, must be used if track has noise reduction rule of 98 d.b. or more. Extreme Muffler part # 1014-3030, or part # 1114-3535, are recommended for tracks that require noise reduction of 97 d.b. or less. All exhaust must go through mufflers, two per car, one per header. No merge collectors. No exhaust sensors.