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Discussion Starter · #1 ·
My rr has what sounds like an exhaust leak somewhere near the cat. It has 105,000 miles on it, so I'm guessing a new muffler and cat would be a good idea. Anyone go the route of having a muffler shop put on a new exhaust on one of these? I'm new to the rr's, so I don't know if my friendly neighborhood muffler shop can do this, or is there a 'special' lr exhaust piece I would need?
I'd like to get a free flowing cat and muffler put on.
 

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i have a 91 RRC with 189K miles. i had the following done a couple months ago.
-new OEM LR muffler bought off the internet
-was installed by local muffler repair shop and since it was OEM, it went in easily
-new pipe from muffler back to bumper; threw away the resonator can just before the bumper and havent noticed any difference
-replaced the rubber seals that are used to connect the R and L exhaust manifolds to the R and L sides of the Y-pipe/Cat assembly. Doing this eliminated the rich-gasoline exhaust smell I was getting on startup and significantly quieted the engine noise. those rubber fittings were basically gone so it sounded like rattling every time i gave it gas.
 

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93 LWB KITTED 95 LWB Chop Top 03 D2
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Free Flow

I recently put in new cats and a flowmaster on a 91 RR that i flipped. The mexican muffler shop here used the existing Y pipe and welded in new cats.. he used some old pipe and some new pipe. The whole thing cost me $450.00. If you need new cats then i would reccomend buying a STOCK replacment Y pipe and cats, and then putting in a single Magneflow center muffler, with straight pipe back from there... save your money on a high dollar exhaust. If you get a mild steel muffler try and get a hold of it a few days before and spray it with some hi temp paint to protect it.. That kept my rusty old flowmaster alive for years ....
 

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My partner had headers installed on his 91 RR along with two high flow cats from Summit Racing ($59.95 each) and a Flowmaster muffler (mid section) and straight pipe in the back. We also had a customers D90 setup the same way, the cost for welding the cats and muffler was $300 here in the NE.
 
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