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Old 07-20-2007, 05:01 PM   #1
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Default Repairing Exhaust, need advice

Due to the accident I had a couple of weeks ago, I need a new exhaust system from the cat back. I will be ordering my parts from Magnaflow. What I need is a resonator pipe, extension pipe, muffler, and 2 tail pipes.

I already have a Magnaflow muffler in my sights, part #12266. Im getting Reactive tips. And hopefully JustMagnaflow also carries the resonator, they dont have any listed on their site but it should be logical that they should have them in stock:

http://www.autobarn.net/raunextip.html
http://www.justmagnaflow.com/cgi-bin...&key=CARS12266

Question is, what sized resonator should I get since I read thet 24" is pretty tight. Also does JustMagnaflow have the extension, resonator, and 2 tail pipes for my car and if not where can I get them? Thank you very much for your help.

I forgot to mention, my mechanic wants to utilize a clamp-on system.
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Old 07-20-2007, 07:19 PM   #2
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Well the problem now is that I cant even find a place where they sell exhaust pipes for the Bonneville.
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Old 07-20-2007, 11:47 PM   #3
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Why don't you hit up one of your local exhaust shops and have them custom bend some new pipe for you?? I had mine built custom front-back at my cousin'* exhaust shop, probably cost you less than prebent pipes, and you can choose stainless or non-stainless. I went for the stainless pipe, it costs more but is worth it seeing as my exhaust will now last me a long time. My muffler and cat are both stainless also.
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Old 07-21-2007, 12:06 AM   #4
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Yea I cant understand why he cant just fab some up. If he cant do it then ill take it to another shop.

Also, what about resonator length?
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Old 07-21-2007, 01:30 AM   #5
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If he doesn't have a hydraulic pipe bender, then find a exhaust shop that does. If not all the curves in your exhaust will be a pieced together mess with more clamps than you already need. The only connecting point between my downpipe and muffler is my catalytic converter, he pretty much bent a full length of pipe and mounted it in.

as for your resonator, if you think 24" is tight, go the next size down, you will just get a more grunty sound, or you can leave that out of the picture for now and run without it. If you find there is too much drone or getting too loud, then buy the resonator and have the exhaust shop install it in afterwards.

This exhaust is for the 93' that already has the Magnaflow cat?

Edit to say: use clamps, FWD'* need the flexability, a clamped exhaust is also easier to repair, and if you ever get rid of the car or something you can take your nice exhaust parts off easier. One tip though is to have your exhaust man weld your tips to the tail pipes so they can't be stolen.
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Old 07-21-2007, 01:42 AM   #6
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Do NOT use clamps. Weld everything.

The flex coupling between the rear EM and the downpipe is sufficient for engine flex.

Clamps will come loose over time. You want rigid exhaust from the downpipe back.

Go to a wrecker and buy the intermediate pipe.
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Old 07-21-2007, 03:18 AM   #7
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Sorry if I didnt clarify, its for the 96.

By the looks of it I might take it to a Midas and have them do it.

Getting a wrecker part is out of the question considering the primary driver'* opinion of such things. Everything must be new.
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Old 07-21-2007, 08:15 AM   #8
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Quote:
Originally Posted by willwren
Do NOT use clamps. Weld everything.
The flex coupling between the rear EM and the downpipe is sufficient for engine flex.
Clamps will come loose over time. You want rigid exhaust from the downpipe back.
Go to a wrecker and buy the intermediate pipe.
Needs to be said that I don't agree with the above. Welding is the preferred method for exhaust in most cases. Clamps if properly used don't come loose and are designed not to come loose. Here we see a link to superior clamps (http://www.bonnevilleclub.com/forum/...ghlight=clamps) that don't leave marks and bends in the pipes.

As for a wrecker intermediate pipe...this is not a good idea in my eyes either. It will be cut at both ends and most likely a bit short for the application.

Rockauto has all new parts and good prices from my personal experience. MERIT Part # 88129 is $100 and looks to include the resonator. Although it should be noted that they don't stock it and that could delay it 3 days.
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Old 07-21-2007, 01:14 PM   #9
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Quote:
Originally Posted by BillBoost37
Rockauto has all new parts and good prices from my personal experience. MERIT Part # 88129 is $100 and looks to include the resonator. Although it should be noted that they don't stock it and that could delay it 3 days.
Shipping and handling for that piece is $200 dollars. I think ill pass, thats not reasonable to pay more to ship a part than its worth.
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Old 07-27-2007, 01:01 PM   #10
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Quote:
Originally Posted by Boreas
Well the problem now is that I cant even find a place where they sell exhaust pipes for the Bonneville.
I would either go to a Specialty exhaust shop that can custom bend your exhaust and have everything on hand and even stainless steel exhaust if necessary or the Dealship and get the correct stock exhaust and change out the cat with magnaflow and muffler. Oh and have it welded. (Aftermarket bolt-on exhaust sucks and bangs around the floors).
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