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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > what's he difference between mid-pipe(second-cat delete pipe) and SR pipe?



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      09-29-2008, 02:32 AM   #1
kiddo
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what's he difference between mid-pipe(second-cat delete pipe) and SR pipe?

So I was on youtube just now and found a video of a 355i with bastuck quad and SR pipe which seems to be louder than the bastuck quad with second-cat delete pipe. Can someone clarify with for me and tell me the difference? Thanks
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      09-29-2008, 06:23 AM   #2
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No differences. SR or mid pipes are just the same. Some are from eisenmann, others from Riss Racing, Borla ...
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      09-29-2008, 11:48 AM   #3
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+1

S/R pipes and midpipes are one and the same, Ken

when you coming in for some Riss downpipes?
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      09-29-2008, 05:27 PM   #4
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Do iiiiit!
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      09-29-2008, 06:03 PM   #5
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How come they don't show any hp/tq ratings for midpipe changes? The length of the pipe of the midpipe is huge so making that 2.5" just like the downpipes would be a pretty big help for breathing better I thought.
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      09-29-2008, 11:35 PM   #6
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Quote:
Originally Posted by Mike@IND View Post
+1

S/R pipes and midpipes are one and the same, Ken

when you coming in for some Riss downpipes?
haha, I am planning to get the SSTT first then see if I still have money for some catted downpipes after sideskirts and spoilers.
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      09-30-2008, 10:42 AM   #7
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Quote:
Originally Posted by kiddo View Post
haha, I am planning to get the SSTT first then see if I still have money for some catted downpipes after sideskirts and spoilers.
go catless man...you'll have money for that since it's cheaper

i'll give you a ride in my car and that should seal the deal...they are really that awesome.

when u coming to visit?
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      09-30-2008, 12:08 PM   #8
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does the catless version give you more gain than the catted one?Which one gives the turbo more pressure?

I will probably go down to Chicago the weekend of the 12th or the weekend of 21st. I will give you a hollar before I come down
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