18" Stainless Steel Oval Muffler Exhaust Slip-on This muffler is not bike specific, ID 50.8mm. You may require a Delkevic link pipe or modification to the bike. We have 200+ bike model fitmens as slip ons and complete systems Delkevic 18" oval mufflers are made from high grade 304 stainless steel and polished to a mirror finish. All part are hand welded with careful attention to detail. These mufflers have a low, deep sound even at higher revs. This set includes muffler, mounting strap, inlet clamp, and removable baffle. No rejetting or remapping is required after fitment on a stock bike however we always recommend a dyno test. If the motorcycle has other modificaitons to the intake or exhaust system some tuning may be required. Delkevic mufflers are handcrafted from the finest quality materials to enhance your motorcycle in both performance and looks.