E90Post
 


TNT Racewerks
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Whats everyones view on CP-E Catless Downpipes.



Reply
 
Thread Tools Search this Thread
      04-10-2012, 09:24 PM   #23
klipseracer
Banned
United_States
234
Rep
3,012
Posts

Drives: 2007 E90 335i, 05 E46 330i
Join Date: Aug 2009
Location: Arizona

iTrader: (27)

Garage List
2007 335i  [0.00]
2005 330i  [0.00]
Quote:
Originally Posted by PlutoniumTans View Post
There's a reason why people go up in size in piping right ? so if the beginning is 3 and tapering to 1 inch is same thing also ? More flow , better for turbo cars!
Exhaust gasses cool down and take up less space, but the velocity of those gasses also decreases.
Appreciate 0
      04-10-2012, 09:34 PM   #24
MikeVictor
Brigadier General
Australia
220
Rep
3,288
Posts

Drives: anything given a chance
Join Date: Jul 2008
Location: .au

iTrader: (0)

Garage List
I rate them, and my mechanic said they were the best design he'd seen and thought the quality was top notch.
Appreciate 0
      02-21-2017, 06:09 PM   #25
whyzee125
Brigadier General
2083
Rep
4,143
Posts

Drives: Dinan stage 2 335i
Join Date: Jul 2014
Location: Chattanooga Tn

iTrader: (0)

Quote:
Originally Posted by klipseracer View Post
Not true. 3" all the way through the midpipes, vbands both ends of the DP. No taper until the end of the midpipe, and only because it mated to stock exhaust.

Old thread, I know, but what setup is this? Custom?
Appreciate 0
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 03:43 PM.




e90post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST