NEW Weapon-R Inter-Lock Street Series Mufflers are constructed from stainless steel for and then coated with a black satin finish to achieve a more stealth street look. Every muffler does produce a one of a kind exhaust note that is achieved by highly dense material that is made of fiberglass and woven stainless packing. The Inter-Lock system allows the user to quickly and easily change the muffler tip to achieve different looks from the several styles we have available. Also the Inter-Lock system is on both sides so it makes removal from the exhaust system for when going to the track! These mufflers are Universal fit for almost any car and truck made, get yours today.