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Find other: Bill's Pipes Full System Exhausts
The MotoSport.com Bill's Pipes SA-4 Complete Exhaust includes ONE Bill's Pipes SA-4 Series Head Pipe and ONE Bill's Pipes SA-4 Series Slip-On Exhaust, each with the following attributes:
The SA-4 head pipe is offered as an option to add to your SA-4 slip-on. If you have an existing SA-4 slip-on and are looking to add more power and replace your stock head pipe, this is it.
The SA-4 slip-on is the best bang for your buck if you are looking for instant horsepower and torque gains. Allowing you to retain your stock head pipe, the SA-4 slip-on replaces your heavy and restrictive muffler, giving you a lighter, much better performing system. The SA-4 cannot be matched when it comes to price, craftsmanship, and overall looks.