FMF Racing Factory 4.1SL And 4.1C Slip Ons Specs: FMF FACTORY 4.1SL™ & 4.1C SLIP-ONS• Canister shape and size is lighter and more performance-optimizing• Front and rear end cap designs developed to enhance fit, functionand style• Fixed, specific mounting brackets for slip-ons• Available in both stainless steel and titanium mid-pipes• Excellent fit, finish and attention to detail