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1984 944 Exhaust header


Vehicle Information: Model(924/944): 944; Year: 1984; Engine (type, size, modifications): 2.5; Total Mileage: 75.000;

I WANT TO INSTALL A BURSCH HEADER FOR A MORE THROATY SOUND AND MORE HP.MY CONCERN IS THAT IT COMES WITH A CAT BYPASS PIPE , IF I REMOVE MY CAT WILL THE CAR RUN BETTER, WORSE OR THE SAME?ALSO I have a stock exhaust,is most of the restiction at the manifold, muffler or cat? should I replace my original muffler for better flow. and last,can any after market cat be put into the system if I remove the very large stock one?

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