ALPINESTARS Tech 7 Sole Insert - Black - Size 16 25INSSUT741016 M1.3™ Youth Boots The silencer sleeve is made

The silencer sleeve is made of Carbon Fiber that attaches to the titanium end caps with stainless aircraft grade rivets and Titanium silencer bands

Power gains of 4 HP in the mid range and 2 HP at the top end are to be expected

titanium tubing and titanium end-cap Offers the "factory" look and appearance while reducing weight Optimum performance gains CNC-machined aluminum mounting bracket For closed-course racing only Made in the USA

2-1/2" heat shields with a 222° wrap around for a non-bluing appearance Capped with machined and chromed billet tips Simple installation Made in the U

650 F) [EU: 899 C)

ALPINESTARS Tech 7 Sole Insert - Black - Size 16 25INSSUT741016 M1.3™ Youth Boots The silencer sleeve is madeReplacement soles and inserts fit specific Tech and Vector footwear Pre 2004 inserts maintain the original (hard) compound