I had a 80 series Flowmaster and cat(OEM) piped up 4 months back. I told the guy I didnt need a cat but did he listen? Did he just save it? NO! So now that its back from paint and home again, knowing that cat is on there is bugging me. Is it hindering my 305 TBI or not really doing any damage? If you were me what would you do? Gut it or keep it?
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1992 RS 25TH Anniversary (with Heritage package) A4 305 TBI (L03), Mobile 1 Synthetic, Flowmaster 80 Series Cat-Back, 17"x 8" Cragar style rims(painted grey)/Hankook Ventus 245/45Z17....350 Coming One Day...... -
I cant say for sure but chances are that it is does restrict the exhaust somewhat becuase it is one extra body for the gasses to flow through, someone else may be able to tell you more, but I would imagine removing it would help the flow.-Dan
1986 350 TPI Trans Am, 700R-4, Flowmaster exhaust, CAI, 180* t/stat, low temp fan switch, SFC's....Sold.
Project Status: LT1 disassembled, researching costs, searching for project car.
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