THRASHIN Anti-Reversion Exhaust System - Dyna

Description Exhaust systems ARE NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. The following disclaimer is associated with these THRASHIN products. DISCLAIMER: We will not ship any exhaust with a California shipping address, your order will be refunded immediately.  Please allow 7-10 business days for Show Polish Finish. For Black Ceramic Finish please allow 2-3 weeks until exhaust is shipped.     We have teamed up with Feuling® Parts to bring you the ultimate in V-Twin Performance Exhaust. Over a year in the making and countless hours spent on design and in the Dyno room, we bring you the all new THRASHIN® Anti-Reversion™ Exhaust system!The Thrashin® 2>1 Anti-Reversion™ Exhaust system has equalength stepped headpipes with Jim Feuling's patented design anti-reversion™ 'AR' chambers™ (Patent # US 4206600 A & 6336471 B1), transition merge collector (Patent # 4,796,426) and optional perforated 'dog ball' muffler core (Patent #5,173,5