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06-17-2002, 03:31 AM | #1 |
Scooby Specialist
Member#: 3792
Join Date: Jan 2001
Vehicle:2002 6MT almost GDB |
I found out something about the BPM Mid-Pipe Tonight that Sucks BUTT!!!
The silencer is not the traditional "Straight Through" Design I.E."Cherry Bomb".
It has some auger looking spiral piece of metal with about a 10mm pipe that shoots straight through! I was appauled! That cannot be good for gasses trying to get the hell out of the exhaust track! Maybe this is old news, but I was one of the first guys in the nation that had the BPM, and it took me well over a year to find out. I am just going to have the local muffler shop straight pipe the silencer when they weld on my Apexi N-1 that is sitting in my garage. BPM's downpipe is pimp $hit though. It is so beautiful. Just can't slam them all to hell! Andy
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06-17-2002, 08:52 AM | #2 |
Scooby Guru
Member#: 7327
Join Date: Jun 2001
Chapter/Region:
NWIC
Location: Seattle, WA
Vehicle:2008 Mazdaspeed3 2006 Wrangler Sport |
That "auger-looking spiral piece" is something they used to advertise as a venturi stack or something.
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06-17-2002, 09:00 AM | #3 |
Former Vendor
Member#: 9327
Join Date: Aug 2001
Location: Z1Auto.com
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Believe me..unless you are nearing the 400 hp mark on your car, this isn't helping or hurting one way or another...except in the noise dep't.
adam Z-1 |
06-17-2002, 01:20 PM | #4 |
Scooby Specialist
Member#: 3792
Join Date: Jan 2001
Vehicle:2002 6MT almost GDB |
Adam, I would tend to disagree with you on that one. That thing must have at least 7 turns in it in a 12-18 inch span.
It has to hurt the performance. IMO. I am pushing some HP too...BTW. Andy |
06-17-2002, 02:44 PM | #5 |
Scooby Specialist
Member#: 990
Join Date: Feb 2000
Location: Byoootiful WNC
Vehicle:96 Brighton and... many |
OK ya lost me, the title says mid-pipe, but by reading your post it sounds like you are talking about the backbox on a twister series.
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06-17-2002, 03:44 PM | #6 | |
Scooby Specialist
Member#: 3792
Join Date: Jan 2001
Vehicle:2002 6MT almost GDB |
Quote:
I have the BPM "GT" Turbo back. Andy |
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