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#1
11-03-2009, 02:51 PM
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Need help. X5 4.4 exhaust piping size
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#3
11-04-2009, 02:12 AM
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I found it was 2.25 using search.
__________________
 650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's 325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex 600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's 135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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#6
11-04-2009, 11:43 AM
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think its a metric size. i think i ended up going from 2" ID after the cats where i cut the resonator off, and the same on the flange before the muffler connection. (that was the only one where the pipe closer to the engine goes over the pipe further to the back. normal praticae would be to always have the previous pipe go into the following pipe. ? does that make sense?) then just worked it out from there to fit my cross over.
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 focus!
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#7
11-04-2009, 02:15 PM
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Thanx.....just ordered.. Will take pix before and after soon as i get the part...
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