Cheap And Discounts 51mm Universal Motorcycle SC Exhaust Pipe Escape Modified Killer Silencer GP-Project For Honda R15 R6 CBR1000RR 300 S1000RR Wholesale. Buy Directly From Merchant Kevin Motorcycle Modification Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.