MBRP offers the widest range of gas & diesel exhaust systems. Starting with their top-of-the-line Pro Series(T304), TD Series(T304), and XP Series(T409) which all come with a tip and are composed of stainless steel-- each offering LIFETIME warranties. As well as the more economical Installer Series & Performance Series aluminized steel systems offering 2-3 year warranties. Looking for all that and some style? Try MBRP's Black Series. MBRP also offers the PLM Series, a full exhaust system with no muffler; and the SLM Series, a T409 stainless steel exhaust system with no muffler.