Joker Machine Tube - 03-143 For Harley Motorcycles 1976-2021 Brand_Namz the mufflers are a simple

the mufflers are a simple bolt on

Recommended for factory replacement

Note:Requires the use of S&S manifold O-rings and U-rings (sold separately)

Feuling® recommends a lifter to lifter bore clearance of 0

Joker Machine Tube - 03-143 For Harley Motorcycles 1976-2021 Brand_Namz the mufflers are a simpleFeatures Fully CNC machined from billet aluminum with a precision diamond knurl pattern that ensures no slip grip performance Special hard black anodized finish for exceptionally smooth action and durability over plastic units Works super smooth due to the precise bore finish; works especially well with a light coating of lithium grease Works perfectly with Joker's JX and Dual Cable style throttle housings Accepts all late model dual Harley Davidson