When I spoke to the Engineer at Corsa, he stated that they are similar in performance with the biggest difference being the noise. He mentioned that the Sport version has a very small hp difference over the Touring, but it's not much at all. They are both straight-through designs.
If you want some sound, then get the Sport. I have the Touring and you can not tell that it's a performance exhaust by the sound. Touring is really quiet.
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H2 SUT 4.56 Gears, Front Locker, Cognito Pitman/Idler kit & Idler Pivot Kit, Fab Tech Tie Rods, True Tech Trailing Arms, Edelbrock Panhard Rod, PML rear Diff & Tranny Pans, Corsa Exhaust, Dynatech LT Headers, Diablo Predator Programmer, Volant CAI, Warn 9500 Winch, Escort 8500x50 & ZR3 Laser Shifter, Delta Light Bar, Rancho Steering Stabilizer & Bilstein Shocks, Ron Davis Radiator, PowerSlot Rotors, Hawk Brake Pads
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