Keep that muffler from rattling with this set of two exhaust clamps for 50cc – 150cc Oval Shaped Mufflers/Silencers The universal design will work on a number of oval shaped exhausts, and with the included rubber strip ensures a firm grip without leaving unsightly scratches on your muffler Description Keep that muffler from rattling with this set of two exhaust clamps for 50cc – 150cc Oval Shaped Mufflers/Silencers. The universal design will work on a number of oval shaped exhausts, and with the included rubber strip ensures a firm grip without leaving unsightly scratches on your muffler. WARNING California Residents : Proposition 65 Warning