Dual density repack materialReduced noise levelsLasts longer than ordinary packingAllows your engine to operate at peak performance longer

12” x 15” Repacks glass packed silencers on expansion chambersReduces noise caused by burned out packingRestores correct back pressure

Billet ring, fits all shorty mufflers

Phantom baffle core w/packing (Spyder only, 4 to 5 db reduction), order 2 per machine

Phantom baffle core w/packing (all exc. Spyder, 4 to 5 db reduction)

Any “add-on” or “modified” emissions-related parts contained in this catalog that are subject to anti-tampering laws may or may not have been evaluated and/or exempted by CARB. As a distributor, WPS makes no representation or warranty with respect to...

Many municipalities and tracks have begun to implement new, tougher regulations that limit the sound output of street bikes, off-road cycles and ATVs. In the interest of health & safety and of maintaining good relationships between riders and the...

Billet ring, fits all shorty mufflers