The Pro Circuit R-304 Shorty is a lightweight, repackable slip-on silencer built for off-road performance and durability. Its brushed 6061-T6 aluminum canister and stainless components deliver a strong, race-ready finish while staying service-friendly.
The Pro Circuit R-304 Shorty Slip-On Silencer is designed for riders who want a compact, lightweight muffler that’s easy to maintain and built to handle real off-road abuse. With a brushed 6061-T6 aluminum canister and stainless steel components, it offers a durable, premium construction while keeping weight down.
Because it’s designed for quick disassembly and repacking, keeping your silencer performing at its best is straightforward—ideal for riders who put in hours on the bike and want consistent sound control and exhaust performance over time.