98 Deville Concours Preformance Exhaust???

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Northstar Engines and System Technical Discussion Discussion, 98 Deville Concours Preformance Exhaust??? in Cadillac Engine Discussion; I really want to get a new exhaust to increase my Horses and mostly just to improve the sound! Does ...
  1. #1
    Antalian is offline Cadillac Owners Member
    Automobile(s): 1998 Cadillac Deville Concours
    Join Date
    Jul 2009

    Question98 Deville Concours Preformance Exhaust???

    I really want to get a new exhaust to increase my Horses and mostly just to improve the sound! Does anyone know where I can find a website or anything to help me? I cannot find a thing on the stupid subject!

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: 98 Deville Concours Preformance Exhaust???

    No real horsepower gains, no aftermarket packages for pre-2000, so head to your local exhaust shop and have them mandrel bend up a 3" cat-back (keep a resonator or the drone will run you out of the car) with a good, smooth Y into two Magnaflows. You have a car for which there is practically NO meaningful way to extract more HP. Do a lot of homework in here and up in Deville ^^^.

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