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performance exhaust?

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Just to give you a heads up a performance catback on these cars are not needed till you hit 300hp. The catback is mainly for sound. That's why I just went with a $24 manual cut out from Summit Racing.:biggrin:
 
Just to give you a heads up a performance catback on these cars are not needed till you hit 300hp. The catback is mainly for sound. :

^^ you have a gtp which along with ssei's , ultra's , riviera's have dual mufflers so they flow decent

regals only got a single muffler and will benefit from a good flowing catback , even swapping to gtp duals is an upgrade on a regal
 
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