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SLP "Two out the left" vs. "dual dual" factory cat backs

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Old 08-10-2011, 11:14 AM
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Default SLP "Two out the left" vs. "dual dual" factory cat backs

Is the over-axle pipe the same between these two catbacks? I noticed that the "dual dual" over axle pipe is crushed for clearance and I'm not sure if the TOTL is the same.

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Old 08-10-2011, 11:34 AM
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I have the 2otl cb and the over axle pipe is not crushed.
Old 08-10-2011, 01:47 PM
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My 2otl is dented at the bend
Old 08-10-2011, 06:12 PM
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It depends if it was a SLP installed cb or if you bought it aftermarket. Aftermarket will be smooth, installed will be slightly crushed/clearanced.
Old 08-11-2011, 05:47 AM
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Originally Posted by Jay-P
It depends if it was a SLP installed cb or if you bought it aftermarket. Aftermarket will be smooth, installed will be slightly crushed/clearanced.
My aftermarket SLP dual dual has the crushed over-axle section (same as the SLP installed). Are you saying the TOTL is different in that aftermarket is not crushed, but SLP installed is?

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Old 08-11-2011, 10:49 AM
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Originally Posted by vtirocz
My aftermarket SLP dual dual has the crushed over-axle section (same as the SLP installed). Are you saying the TOTL is different in that aftermarket is not crushed, but SLP installed is?

Thanks.
Hmm all the aftermarket ones ive seen were smooth, i guess it is just luck as to wether you get a crushed one or not. :dunno:
Old 08-11-2011, 02:02 PM
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Did you buy it fro SLP or from someone who took it off there car? If it's a take off of an LT1 SS then that's why it crushed.
Originally Posted by mean_greenZ
My 2otl is dented at the bend
Old 08-20-2011, 06:25 AM
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One more question: If the over axle pipe on the SLP dual dual were not crushed, would there be any clearance issues? I'm considering to cut the over axle pipe, use a pipe expander to bring it back to 3" round, then reweld back together.

Any input would be appreciated!
Old 08-20-2011, 09:24 AM
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It will fit fine, it was more of a precautionary thing by slp.
Old 08-20-2011, 09:51 AM
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ya I run will 3 over the axle to my 2OTL




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