Not homologated. AISI 406 stainless steel with a brushed 'Works' finish, which offers true racing vibes with the clearly visible TIG welds. A Racing Only system for all 5-speed Evolution and Twin Cam Dyna models, which does not comply with regulations. It may not play by the rules but will to let you squeeze out all ponies. So what's more important, he? But performance is nothing without reliability, therefore this system is free of electronics and valves, crafted from high-grade materials, TIG-welded in Italy and engineered to last. - Deep, bass-rich tone - Aggressive racing sound at high RPM - Enhanced torque and throttle response - Designed in Switzerland â Made in Italy. Note optional heat shields for 91-05 5-sp Dyna: - ????? MPD745SHSS Stainless. Brushed satin - ????? MPD745SHSB Stainless. Black Cerakote - ????? MPD745SHSP Stainless. Polished - ????? MPD745SHST Titanium. Brushed satin. Note replacement parts for all 2 in 1 Malparidos exhaust systems: - 709266 Billet end cap. Alu / Black - 709268 Racing dB killer. Medium. Stainless +7dB over homologated dB killer - 709269 Racing dB killer. XL. Stainless +10dB over homologated dB killer - Fitment: 91-05 5-speed Dyna (NU)