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How low is your cat-back?

This is a discussion on How low is your cat-back? within the External Engine forums, part of the LSx Technical Help Section category; How many of you other guys live in condos with underground parking and have trouble scraping as you go over ...

  1. #1
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    Navy Blue Metallic
    1999 Trans-Am

    How low is your cat-back?

    How many of you other guys live in condos with underground parking and have trouble scraping as you go over the crest of the ramp? I've got stock manifolds and a borla cat-back and it JUST scrapes every time. I'd like to do headers but I'm scared I won't get it in and out of the parkade. I can't get under there and look to see if there's something wrong with how the system is hung causing it to be lower than it should be so I'm wondering if this problem is normal or not? Anybody?

  2. #2
    Just me Y2KPewterSS's Avatar
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    Pewter metallic
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    Its not a normal problem for the catback itself to scrape. I would say you have a broken hanger or hangers or its not hung correctly to begin with.
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    My cat back is golden, it's my y pipe that hangs down. I scrape that co(k sucker everyday leaving my house.

  4. #4
    Senior Member splitfinger09's Avatar
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    Bright Rally Red
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    My TSP duals scrape on any major bump.

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    I just installed a set of pacesetter headers with a 3" y pipe and I have a measured 3 1/2" of ground clearance. The front valance has only 5" of clearance. I am happy with that.

  6. #6
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    Navy Blue Metallic
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    Quote Originally Posted by firechikin View Post
    My cat back is golden, it's my y pipe that hangs down. I scrape that co(k sucker everyday leaving my house.
    Is that an off road y with stock manifolds? Or headers?

    Quote Originally Posted by wagxing View Post
    I just installed a set of pacesetter headers with a 3" y pipe and I have a measured 3 1/2" of ground clearance. The front valance has only 5" of clearance. I am happy with that.

    3.5 at almost the center between back wheels and front would never cut it coming out of my parkade, or at least I can't imagine it working.

  7. #7
    Member Kup98ss's Avatar
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    Quote Originally Posted by wagxing View Post
    I just installed a set of pacesetter headers with a 3" y pipe and I have a measured 3 1/2" of ground clearance. The front valance has only 5" of clearance. I am happy with that.
    are you lowered?

  8. #8
    Senior Member Too Fast's Avatar
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    With my Hookers and ORY, I actually gained ground clearance in that area, tho with a rattle now and then. As far as cat back, you must have a really big bump to go over.

  9. #9
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    Quote Originally Posted by Too Fast View Post
    With my Hookers and ORY, I actually gained ground clearance in that area, tho with a rattle now and then. As far as cat back, you must have a really big bump to go over.
    edit; Just got home from a trip to the mall, went ove the crest real slow listening for the scraping, when I heard it I stopped and leaned out, the rockers are MAYBE 2 inches from the cement at the closest point, I guess I don't have an exhaust problem, I've got a parkade problem.
    Last edited by Wheels; 05-18-2008 at 05:58 PM.

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