ALPINESTARS Stella SMX-1R V2 Boots - Black - US 7 / EU 38 2224621-10-38 Slip-On Scooter Muffler - Stainless Steel Special feature: Steel tubes are

Special feature: Steel tubes are designed NOT to rotate in a low side and braced together to increase strength

for those who think loud just isn't good enough Start as round 4" tubes

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque throughout the power curve Aluminum/stainless construction for reduced weight and increased durability Strong mounting bracket(s) for increased durability Designed for easy disassembly and re-packing when needed Removable USFS approved spark arrestor

Advanced polymeric blend with a solid cell structure core framed by a more flexible 3D cell structure

Main upper material constructed with high abrasion textile with reflective dots for enhanced flexibility

ALPINESTARS Stella SMX-1R V2 Boots - Black - US 7 / EU 38 2224621-10-38 Slip-On Scooter Muffler - Stainless Steel Special feature: Steel tubes areAnatomically engineered for an optimized womens fit Main upper constructed from an advanced microfiber for comfort, durability and excellent of abrasion resistance Innovative heel counter support system, which works in conjunction with a strap closure to offer improved fit and support, as well as structural integrity Rear of heel counter has been designed with soft TPR insert which works seamlessly with the rear flex zone to allow for improved freedom