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Old 03-12-2003, 07:48 PM   #1
AustinSTi
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Default Exhaust project question

I've been asking around at muffler and exhaust shops, and they don't seem to know the answer to my question. I have a borla exhaust now, which the pipe diameter is only 2", I want to upgrade the piping to 2.25, while using the same borla canister. Due to the bends of the piping ( from axel back), all the shops said they could not do it without costing 400 or more. One shop did say they could upgrade the piping to 2.25 up to the bend, and then weld it to the remaining 2" piping of the borla. I asked him if this would benefit it all, having gone from 2.25 midpipe, into a 2" axel back, and/or it will sound like a weed whacker. But they both had no answers. Any suggestions or opinions on if i should do this or not?
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Old 03-13-2003, 02:56 AM   #2
Kostamojen
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Jeez, what muffler shops were you going to? The muffler shop up here that I got would do that for sure. Heck, they BUILD mufffler systems for peoples cars... I dont know if you are going to the right kind of shops.
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Old 03-13-2003, 07:27 AM   #3
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This is most certainly possible, and it should cost you under 200 dollars. (200 is a really high estimate for arguments sake) All they have to do is cut the end of the borla right before the muffler canister begins. And then fab a new midpipe, bend it to the proper fitment and weld it back on. No problem at all.

i bought a scoobysport axleback for my 02 2.5rs and the flanges didnt line up plus the piping on the scoobysport was 2.5 inches. at the time i was only bolting up the muffler to my stock midpipe which was 1.???? so they had to cut a peice off the end of the scoobysport, weld on 2.25 piping, put a proper size flange on there and then just bolt it up. i think that was something like 60 bucks. Recently i had minekee make me a new midpipe from the cat back, 2.25 inch piping all the way up to my scoobysport where it bolts on, goes 2.25 for another 8 inches, and then the original scoobysport piping of 2.5 out the back. this only cost me another 80 bucks.

certainly dont pay 400 dollars for this!!!!
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Old 03-13-2003, 10:48 AM   #4
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You're getting screwed.



$230 for the complete exhaust from the primaries back (including uppipe/downpipe, midpipe back, had to buy turbo flanges separately). The orginal MRT N/A style header only cost me $150! You are getting screwed.
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Old 03-13-2003, 12:34 PM   #5
AustinSTi
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the inlet for the borla canister is only 2" so it would be impossible for a 2.25" "all the way through", but my question is, is it even worth it (getting the outlined portion upgraded) and will it sound like sh|t because of the pressure of it flowing from a 2.25 " into a 2" axel back, because right now, the 2" borla header/cat back sounds sweet, but I'm definitly trying to increase the diameter.
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Old 03-13-2003, 12:42 PM   #6
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Since you're N/A the .25" drop at the muffler is no big deal (I won't get into Bernouli's Principle here ) the shop just needs to cut off the muffler with enough of a lip that it can be swagged to 2.25" its not rocket science.
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Old 03-13-2003, 03:02 PM   #7
AustinSTi
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midas is the place that quoted me at around 70 in parts, and 300 in labor, minekee said they couldn't do it because of the "severe bends" from the axel back, but said they could do what I drew above. Are there any other "mainstream" exhaust places, or am I probably better off looking for a small shop?
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Old 03-13-2003, 04:22 PM   #8
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here are some shot of the bend that no one "can do", or won't should I say.


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Old 03-13-2003, 04:48 PM   #9
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Dude, they're trying to rape you. Check out the Mom & Pop places in your area, there's usually several shops that do odd jobs regularly. Midas/Monroe/etc do have some corporate rules they have to follow that may be driving the cost up, either way they're quoteing you way too much.
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Old 03-13-2003, 07:02 PM   #10
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Yes, go to the "mom & pop" type muffler shops rather than the name brand places like mineke and midas and stuff...
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Old 03-13-2003, 07:46 PM   #11
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I hate it when people are getting paid to not do their jobs.....and try to make you feel guilty for asking in the process!!!!



Keep looking till you find a place that will do it.
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