Helix Stainless Steel Muffler Clamp Helix Stainless Muffler Clamps are a great replacement for broken OEM hardware or a custom fit on custom applications. Features: Available in round or oval shapes Premium-quality polished stainless steel Lined with a high-temperature silicone insulator Provides a secure fit Ideal for nearly any muffler or silencer canister Made in the U.s.a. Universal fit Sold each