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  1. #1

    Default Magnaflow Exhaust

    I bought a 08' Tahoe with a 5.3L V8 Flex fuel system with a tow package and was thinking of putting a Magnaflow w/dual exhaust in it. Some places are telling me I would have to remove the spare. Would the sound change when it drops to a 4 cylinder? Any help or suggestions would greatly appreciated.

  2. #2
    finalday7's Avatar
    Join Date
    Oct 2007
    Sayward, B.C Canada


    I've heard that the sound does change alittle when it drops to the 4cyl mode. I don't think it will be very noticeable with the magnaflow. About the spare, Just go on their site and select one of they're kits and it will tell you if it needs to be removed. If it was me I'd just get the shop to bend some pipe around the tire with a heat shield instead of removing it.

    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

  3. #3


    ok thanks for the info. I just wanted to find out what will work and that the muffler shop is not looking to make a quick buck.

  4. #4
    finalday7's Avatar
    Join Date
    Oct 2007
    Sayward, B.C Canada


    Yeah I know what you mean. I've been to quite a few shops around here and I've found that a good gut feeling about the place is usually good. If you unsure at all make sure to shop around to find someone your comfortable working on your 30K Truck.

  5. #5


    I just put a MF exhaust on my 08 Silverado 2500HD. Clearance was tight next to the spare (less than an inch), but all you have to do is lower the spare a couple of inches, hold it to the left a bit while you re-crank it back up tight. Get's you another inch or so. Plenty of room. Make sure you double check with MF on the bed length of your truck.

  6. #6


    the guy who owned my truck before me put edelbrock exhaust on with heat wrap around it where it passed by the rear tire, after i brought it home i saw that the spare had a nice groove melted in it from the exhaust and it was still prob two inches away... so be careful
    95 GMC Sierra 2500
    3" Body Lift, 33" Goodyear MTR's
    5.7L 350 TBI Edelbrock SDT Exhaust, Flowtech Headers, K&N Intake
    Sold :(
    1999 Jeep Cherokee, 3" Rustys lift, 33" BFG MT's, locked, armored: Rolled :(
    2000 Jeep Grand Cherokee Limited. K&N Intake, Custom Kolak Exhaust

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