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x pipe and straight pipe Question

     
Old May 8, 2012 | 11:14 PM
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c63addix
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2011 C63 Calcite White
x pipe and straight pipe Question
Sorry I know this been discussed numerous times, but i would like to make sure if the Xpipe for secondary cats delete are 3" ? and how many " straight-pipe for resonator delete

Thank you !
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Old May 8, 2012 | 11:38 PM
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I am pretty sure the stock exhaust system is NOT 3 inch.
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Old May 8, 2012 | 11:44 PM
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so 2.5 - 3.0 " is fine? might ask a friend to custom make it for me
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Old May 8, 2012 | 11:49 PM
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When I had my resonator replaced with straight pipe they used 2.5"
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Old May 8, 2012 | 11:50 PM
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You make it the same size as the stock exhaust diameter, not smaller or bigger.

Make sure the exchange area is a decent size and your bends going into it dont curve too much.
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Old May 8, 2012 | 11:53 PM
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Originally Posted by peh-amg
When I had my resonator replaced with straight pipe they used 2.5"
okay thank you, so i m guessing i need 2.5" for both to fit the stock
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Old May 8, 2012 | 11:53 PM
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Originally Posted by Merc63
You make it the same size as the stock exhaust diameter, not smaller or bigger.

Make sure the exchange area is a decent size and your bends going into it dont curve too much.
Thanks for the info !
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Old May 9, 2012 | 12:02 AM
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Here's some I made with my bro.



Two U bends cut and welded together.
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