Thread: 1M Midpipes
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      02-18-2012, 03:55 PM   #40
Papethova
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

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Quote:
Originally Posted by superchargedman View Post
how risky would changing the mids to an n55 be for voiding the warranty if we're just swapping the mid out and sticking on an axle back? thanks.

You wont void warranty... I had straight pipes on my 135 and an aftermarket axleback
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