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most models below 93dB
and increased over-rev
-Only US manufacturer to offer dedicated quiet exhaust systems
The Q4 employs intricate chambers
baffles and proprietary multistage packing material making it the best performing quiet muffler available
TurbineCore 2 021012 BETA-X-TRAINER-2015 most models below 93dBOur best selling Turbinecore 2 uses the exclusive "Turbine Dampening System". This top notch product has well earned its U. S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power. The Turbinecore 2 is the #1 spark arrestor in the world.
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