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bbk header help

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Old 05-11-2013, 09:34 PM
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Default bbk header help
I installed a set of long tube headers from bbk, but the Y pipe is that same diameter as my lm1 catback. how did everyone fix this?
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Old 05-11-2013, 09:38 PM
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My lm1 end was just a smudge smaller I was able to pull the y pipe over the catback end and then had it welded. I actually think we put a clamp over the catback end and clamp it down super super tight to close it in some.
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Old 05-11-2013, 09:42 PM
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had to weld mine..... could not get a clamp on there without a leak. Only draw back of the BBKs. Other than that..... cake install
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Old 05-11-2013, 10:23 PM
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I took the y pipe to my local exhaust shop and had them expand the outlet a little, slips right in and have a band clamp on it.
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Old 05-12-2013, 04:45 PM
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I got the Y pipe to meet the I pipe, plugged the battery back in, but now the car has a little backfire and breaking up problem when i'm wot. any suggestions?
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Old 05-12-2013, 08:38 PM
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Had my BBK Longtubes installed today with a SLP catback. Had to use a 3" band clamp. No leaks so far.
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Old 05-13-2013, 08:18 PM
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found the backfire culprite.. broken spark plug... now the car is really fun lol...
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Old 05-16-2013, 03:54 PM
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I found a reducor at my local auto parts store. It was a little tough getting them to slide ion the pipes but I got it. Then a clamp on each end. Worked great for me.
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Old 05-18-2013, 02:28 PM
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i used a 3' id/od adapter and it works fine.
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