545i muffler delete
#1
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Join Date: Dec 2011
Location: Puget Sound area WA
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My Ride: 2004 545i
Has any member here done this? Wanted to discuss pros and cons.
https://www.youtube.com/watch?v=CFaspQBSnCs
https://www.youtube.com/watch?v=CFaspQBSnCs
#2
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Join Date: May 2010
Location: Portland, OR
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My Ride: 2005 545i Alpine White Premium package, Sport package, Nav, HUD, PDC
I have not done this but Id imagine torque and even hp numbers to decrease. I have no proof, just speculation. Reducing back pressure blindly does not seem like a proven method to increase numbers. The rumble did sound pretty damn good though.
EDIT: I did a quick google search and found this. I am not sure how accurate it is, but it was an interesting read.
http://www.uucmotorwerks.com/html_pr...torquemyth.htm
EDIT: I did a quick google search and found this. I am not sure how accurate it is, but it was an interesting read.
http://www.uucmotorwerks.com/html_pr...torquemyth.htm
#3
Members
Thread Starter
Join Date: Dec 2011
Location: Puget Sound area WA
Posts: 52
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2004 545i
I have not done this but Id imagine torque and even hp numbers to decrease. I have no proof, just speculation. Reducing back pressure blindly does not seem like a proven method to increase numbers. The rumble did sound pretty damn good though.
EDIT: I did a quick google search and found this. I am not sure how accurate it is, but it was an interesting read.
http://www.uucmotorw...etorquemyth.htm
EDIT: I did a quick google search and found this. I am not sure how accurate it is, but it was an interesting read.
http://www.uucmotorw...etorquemyth.htm
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