Exhaust/muffler replacement
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Cadillac DTS Forum - 2006 through 2012 Discussion, Exhaust/muffler replacement in Past Cadillac Vehicle Discussion; Wasn't looking to start a new thread, but all I came up with in searches was people wanting to go ...
  1. #1
    eric15178's Avatar
    eric15178 is offline Cadillac Owners Fanatic
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    Exhaust/muffler replacement

    Wasn't looking to start a new thread, but all I came up with in searches was people wanting to go aftermarket like magnaflows and what not, not because they're stock system is junk but because they want some more sound. I'd say about the last couple weeks I've noticed it's been getting a little louder, not super ridiculous but you can tell when on the gas below 3k rpms. No jack at home and looked a little bit underneath but never crawled on the ground under the car. Got an oil change today and walked back there to get stuff out of the car if it was on the ground but was in the air. Looked, plain as day both mufflers rotted out, passenger side isn't that bad but drivers side there is one spot I could probably punch a hole in it with my finger if I wanted. I'm crazy with washing the car. Spend so much on car washes, usually gets it twice a week, I've hit 3 a couple times in the winter with all the salt and what not, so me washing the car isn't the problem.

    So the problem, they said for factory mufflers- they said the rest is fine up to the cat. IS 16- 1800 BUCKS. Can't remeber exactly but a crazy high number for 2 mufflers. Is this correct. He gave me a number for a guy to call to get it done more reasonably than dealership-awesome for a service writer to do. But suppose, we do work there and he probably knows I'm not paying 2 grand for 2 mufflers. And one of the techs I talked to said one of the other techs has a lift at his house and said to check with him. And probably will call a guy from a local suspension shop that did my struts and something back on my seville. He's decent but not sure if he messes with exhaust, but worth checking since he's decent. So at least have a couple options for someone to do it but the parts is the big concern.

    So I guess question 1- are the oe mufflers usually that expensive. And 2- any good suggestions for aftermarket? I think some nice magnaflows or corsa sound awesome on someone elses car. But I'd like the car to sound how it is supposed to. Don't want to make it loud- that's what I'm looking to fix. I think stock is perfect, quiet in town, but 3-5k on the tach on an on ramp and it sounds mean. So any suggestions?


    Thanks, Eric

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it.
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    Re: Exhaust/muffler replacement

    The original exhaust system, available from GM, is a one-piece welded system from the front flange to the tips. You buy the whole enchilada, cat included, when you replace it with OEM.

    Walker mufflers and others sell the individual pipes and parts.

    Here's a quick look at Rock Auto for your car. Close the muffler window using the red X and look at the rest of the system parts.

    https://www.rockauto.com/en/catalog/...resonator,5872

  4. #3
    eric15178's Avatar
    eric15178 is offline Cadillac Owners Fanatic
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    Thread Starter

    Re: Exhaust/muffler replacement

    Thanks Sub. Never heard of the brand, have you ever used them? Sounds a heck of a lot better than 2 grand. Any idea why it says "not legal in california" and whatever it says about new york? Can't see how one brand of muffler- flowmaster is fine in ca but it says this isn't? Either way, have no intention of going to ca.

    Maybe if this was a low mile summer toy car I'd try for the oe but this is my daily that I pound miles on in wi and almost 130 on the clock now. Just want the car to run and sound how it is supposed to

  5. #4
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it.
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    Re: Exhaust/muffler replacement

    Walker exhaust systems and parts have been around since long before I was born. I shudder to think of how many Walker parts I have installed over the years as second-job part-time shop mechanic.

    California has some of the craziest aftermarket car parts laws on the planet (like most everything else in California) - don't sweat it.

    https://www.google.com/search?q=walk...hrome&ie=UTF-8

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