Supertrapp 137-72578 Mean Mothers II Slip-On Exhaust Length compatibility depends upon bike model Mean Mothers Systems are available in Chrome or Black Ceramic 33% weight savings and an 8% hp gain over stock Head pipes are 175" Heat shields are 25" Baffles and heat shields are pre-installed Heat shields are also replaceable Standard Chrome End Caps are included with all lengths Mean Mothers are also compatible with Slash Cut and Turndown / Out 90 Degree Rotatable End Caps