SuperTrapp 140-65224 Stout Slip-On, 4", Chrome

Description

Larger (4in.) chrome bodied units feature a billet aluminum end cap (pre-installed), newly shaped inlets that flow better into the OEM Head Pipe (as well as SuperTrapp True Dual Head Pipes) The 10-11 units feature a newly designed tapered core that provides the absolute smoothest, broadest spread of HP (+9.3) and TQ (+10.5) right off idle and pulling well into upper RPM range These new Stout Slip-Ons measure 95.6db (per J2825 standard-stock is 93.2) SuperTrapp This Item Fits the Following Applications:2011 Harley Davidson FLHR Road King