Are you cutting up OEM-fitment cats/HFCs and welding them in downstream? Or are you going for an universal fitment performance cat like something from G sport?
https://gsportbygesi.com/
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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes
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