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Old 10-10-2007, 05:48 AM
3859C1 3859C1 is offline
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Pipe diameter '97 GTP

Getting Rid of my resonator on my 1997 GTP, wondering what size the stock diameter tubing is. 2.5" or 2"? Has anybody replaced their resonator with a muffler? Thinking about replacing resonator with a round or oval Borla muffler and deleting both stock mufflers. Anybody done this?
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Old 10-10-2007, 10:24 AM
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BNaylor BNaylor is offline
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Re: Pipe diameter '97 GTP

The stock diameter is 2.25". I have my resonator deleted but keep the stock mufflers. But the plumbing is custom 2.5" from the output of the CAT convertor to the mufflers.



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