If you are looking for an inexpensive, easy-to-install, lightweight performance silencer we have just what you need. Our T-4 Slip-On Silencers (a.k.a. T-4S) offer all that and more. T-4 Slip-Ons are a perfect alternative for those people who do not need or want to replace their stock head pipe. Each T-4 Slip-On comes with the aluminum silencer and stainless mid pipe and can be bolted onto your bike in a matter of minutes!