Yoshimura R-55 Race Series Full Exhaust System 1414008550 The R-55 is one of Yoshimuras most popular exhaust systems. With great power gains and stylish Moto GP shorty canister, its bound to turn heads. Stainless Steel Header/Stainless Steel Muffler/Stainless Steel End Cap NOTE: For Non-ABS Models Only NOTE: May not be legal for sale or use in California or other locales due to state and/or federal anti-tampering laws.