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Dinan also incorporates a Helmholtz chamber design that reduces resonance or'drone' at low RPM
The stock cooling system heat soaks after only 3 pulls and allows the engine air intake temperatures (IAT) to rise dangerously
A thicker core would diminish airflow and sacrifice normal engine cooling which would be potentially detrimental to the long term health of the engine
Add an impressive 23 horsepower and 15 lb-ft of torque when used with the DINANTRONICS Performance Tuner as well as Dinan intake and exhaust
The factory computer-controlled exhaust valve is eliminated
Sportsman XR-1 Round 3.5in In/Outx15in Muffle Wheel Spacers Dinan also incorporates a HelmholtzMuffler XR 1 Sportsman 3. 5 in Center Inlet 3. 5 in Center Outlet 15 x 5 in Round Body 20 in Long Stainless Natural Universal Each
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