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  1. #1
    Yamaha tow boat RIDEALLDAY's Avatar
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    Duramax exhaust ?

    I have a 05 GMC 2500HD crew cab short bed with 143,000 miles and want to go to a 4 inch exhaust. I already have a Hypertech programmer and a K&N cold air kit. I think I'm choking it with the stock pipe and a Magnaflow muffler.
    The question is which exhaust will give me more power AND mileage?
    I don't want to pay for stainless.
    And is there a performance difference between a straight pipe and a muffler?
    How loud is a straight pipe? No I don't want one.
    Thanks


  2. #2
    Quote Originally Posted by RIDEALLDAY View Post
    I have a 05 GMC 2500HD crew cab short bed with 143,000 miles and want to go to a 4 inch exhaust. I already have a Hypertech programmer and a K&N cold air kit. I think I'm choking it with the stock pipe and a Magnaflow muffler.
    The question is which exhaust will give me more power AND mileage?
    I don't want to pay for stainless.
    And is there a performance difference between a straight pipe and a muffler?
    How loud is a straight pipe? No I don't want one.
    Thanks

    I hear ya on the price of stainless! I bought a 4 inch OD 1 Foot for 35 bucks!

  3. #3
    My son (mohawk man) jeffsntx's Avatar
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    From what I have read and heard, I would go with Dynomax if they make what you are wanting. I have used their products on gas engines and they build an EXCELLENT product.

  4. #4
    Yamaha tow boat RIDEALLDAY's Avatar
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    Quote Originally Posted by Muddy River View Post
    I hear ya on the price of stainless! I bought a 4 inch OD 1 Foot for 35 bucks!
    Is it loud as crap, is it on the truck? I just ASSumed it was for a truck

    Also Bullydog is around the corner from my work
    Jeff, Dynomax does make a great product, Ill look into them.

  5. #5
    Quote Originally Posted by RIDEALLDAY View Post
    Is it loud as crap, is it on the truck? I just ASSumed it was for a truck

    Also Bullydog is around the corner from my work
    Jeff, Dynomax does make a great product, Ill look into them.

    Sorry, It's for a rear intake project on a RXT! It just insane what the market is for metals lately!

  6. #6
    Yamaha tow boat RIDEALLDAY's Avatar
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    No chit

  7. #7
    Hypertoys's Avatar
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    I bought the MBRP 5" aluminized exhaust from motor back for under $400.00 . It is about twice as loud as stock and alot quiter than without muffler. It sounds like a high power gas motor and not a diesel.
    http://www.xtremediesel.com/index.as...on=CARTDETAILS

  8. #8
    Ridin' the Rancocas 04RXP22's Avatar
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    Make is loud bro. Loud pipes are def the way to go. I love hearing my exhaust over the be-bopping music of the import next to me.

  9. #9
    Whats that whistling noise? jtskier11's Avatar
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    http://www.mbrp.com/?section=Automotive FTW!! Just get aluminized.

    PS: Get rid of that pile Hypercrap.. Go Edge and never look back!

  10. #10
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    lemme work some numbers tomorrow... can get you a deal on the complete bullydog set-up for your truck

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