Product Description:

Our Active Valve version gives you the ability to taylor your sound to match the�environment.

At lower engine speeds they can�produce a wonderful deep tone, with volume and pitch increasing in direct proportion to rpm climaxing in a robust race car howl at the red line.

These systems have a Titanium silencer and thin-gauge Stainless Steel tube to�achieve a combination of the lightest possible weight with strength and�durability.