Easily adjust without having to disassemble your clutch or remove weights

Precision Springs: Our custom primary and secondary springs improve back-shifting and hold peak RPM without the "fade" commonly experienced with weak factory springs

Ceramic coated to keep heat in the pipe and reduce under hood temps

2:1 compression ratio makes the motor detonation sensor kick on very easily and won’t allow you to lean out the motor for extra power

Made entirely of stainless steel

Exhaust Full Velocity / F8 ('10-11) Category_Default Category/SLED/Tools & Misc Easily adjust without having toWe extensively tested this muffler to ensure the best combination of power, light weight, quiet sounds levels, and affordable price. Weighing in at a mere 8 lbs (11 lbs lighter than stock), shed some fat from your Cat! The muffler produced a noticeable increase in punch and throttle response as well. One of our main concerns was sound levels so our final design makes a nice deep throaty sound when you punch it but is not much louder than stock,