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How is the gas and exhaust smell inside the car without cats?

Thanks for sharing those tips

Thanks for the reply and information!

Thanks for pics. Looks good on clearance.

Hello all....new to the site, sorry if this question has a thread somewhere. I have a 2011 GT500 and would like to put long tubes on it. Does anyone know from experience the best long tubes to use which will not have to be removed to do the clutch? What would the best be high flow cats or no...