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Custom 3.5 exhaust question

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Old Jul 12, 2014 | 03:14 PM
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Default Custom 3.5 exhaust question

My engine setup is in my sig below , but I currently have Kooks 1 7/8 stepped headers with 3.5 collectors with about 3 feet of 3.5 pipe coming straight off the collectors and dumped through 2 3.5 dynamax ultraflow mufflers, once I put my new rear and torque arm in , I'm having clearance issues between the DS muffler and TA now so I'm looking at new mufflers , thing is , I'm having problems finding anything narrow enough in a 3.5 size that'll work but there are tons in 3 inch . My main question is , will I be ok leaving the 3.5 pipe and just reducing it down to 3 inch mufflers, or will it hurt my power and torque ? Any suggestions ? Thanks fellas
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Old Jul 12, 2014 | 03:58 PM
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Do you need the 3' of pipe off the collectors?
I have around 9" off my collectors, then 3.5" oval Borla XR-1's.
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Old Jul 12, 2014 | 05:09 PM
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No , I already have pipe off the collectors , around 3 feet of 3.5 pipe
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Old Jul 12, 2014 | 06:01 PM
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Can you shorten the pipe?
Why do you need 3' of pipe?
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Old Jul 12, 2014 | 06:26 PM
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Really don't I guess , they go back and dump as far back as a regular x pipe setup
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