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Thread: General exhaust question.....
          
   
   

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  1. #1
    rlwjr1's Avatar
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    General exhaust question.....

     



    On a typical street motor, 300 hp with a single exhaust, much like a LS1 Camaro ( I use this car JUST as an example so the reader can get an idea of the original exhaust layout ).

    When going from a 2 1/2" single exhaust to a 2 1/2" true dual exhaust, just how important is mandrel bent pipe over regular muffler shop pipe bends??

    Personally I feel that on such a low HP motor it's not that big of a difference to justify the added cost.

  2. #2
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Probably little if any difference on a low horse application. I just hate the looks of exhaust with the gimpy looking exhaust pipe bender bends in them. More work and more expense for mandrel bent tubes, but I still prefer them.....
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  3. #3
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    you probably wouldn't even notice.... depending on the exact application of your motor and rpm ranges and such... you could actually lose HP by going to a dual exhaust... such as new F-150s, people put a dual exhaust on them and actually drop about 15HP but you can keep it a single and just change the muffler and gaint about 5HP
    just because your car is faster, doesn't mean i cant outdrive you... give me a curvy mountain road and i'll beat you any day

  4. #4
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    I don't know about exhaust, but that is the BEST avatar I have ever seen.

  5. #5
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    Kinda makes me dizzy, looking at it.


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  6. #6
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    i would go with mandrel if you can, it might not make a huge diffrence now but you may be kicking your self later if you decide to up the horsepower. just my 2 cents.
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  7. #7
    rlwjr1's Avatar
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    Thumbs up

     



    Thanks a lot for the answers guys.

    I know I'll get flamed here but I want to a true dual on my daily driver, a 2004 Infinity G35. 3.5L V-6, 6500 rpm shift point, factory rated at 280HP, my mods are probably putting it somewhere north of 290-295.

    Most good aftermarket bolt on dual systems are $1200+ . The custom mandrel bent exhaust done locally will only shave about $100-150 off that, mainly because it's aluminized pipe instaed of stainless.

  8. #8
    chuckscurr is offline Registered User Visit my Photo Gallery
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    Exhaust S/S VS: Steel

     



    What area do you come from Snow,Ice,Salt Water or Warm Dry Climate

    How long will you keep this car Seems like S/S would be worth the $$
    chuck

  9. #9
    rlwjr1's Avatar
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    Quote Originally Posted by chuckscurr
    What area do you come from Snow,Ice,Salt Water or Warm Dry Climate

    How long will you keep this car Seems like S/S would be worth the $$
    chuck
    I'm in Houston, TX. Coldest it gets here is maybe 35*F. I've run aluminized pipe before and it lasts forever here.

  10. #10
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    100 to 150 difference in price I would go stainless.
    Its gunna take longer than u thought and its gunna cost more too(plan ahead!)

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