Group Buy: RPi 535i GT Race Exhaust
07-11-2009, 01:19 AM
#22
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Originally Posted by E60714' post='938260' date='Jul 10 2009, 02:16 AM
So we don't have true duals? Damn, I always thought we did. Again, what do I know? 
Thanks for the clarification.
I know members on here do a quad setup on their 535s, are there any drawbacks to it? It looks cool, but does the sound come out weaker, for some odd reason or another? Maybe less build up to create the sound? Or is the resonance based on something else?
Thanks for the clarification.I know members on here do a quad setup on their 535s, are there any drawbacks to it? It looks cool, but does the sound come out weaker, for some odd reason or another? Maybe less build up to create the sound? Or is the resonance based on something else?
quad exhaust usually lose hp
07-11-2009, 02:16 AM
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Originally Posted by dbae1978' post='939317' date='Jul 11 2009, 04:19 AM
the stock exhaust is not a true dual exhaust. It has dual piping from the downpipes, switches to single piping in the single muffler, and comes through as a dual tip. The rpi exhaust has dual piping from the downpipes all the way back to the dual mufflers and dual tips.\\
quad exhaust usually lose hp
quad exhaust usually lose hp
All right. Thanks for clarifying.
07-31-2009, 11:43 AM
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RPi is currently offering an additional $200 discount for anyone who makes a new purchase and posts a Youtube Video.
The requirements are that the video needs to be a minimum of 40 seconds long. The video must consist of start ups, revs, and take offs
The total price of the exhaust will be $1699.00 with the group buy discount.
The requirements are that the video needs to be a minimum of 40 seconds long. The video must consist of start ups, revs, and take offs
The total price of the exhaust will be $1699.00 with the group buy discount.
08-04-2009, 04:11 PM
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the new total price for this exhaust is $1600.00. this is a awesome price for this exhaust.
come on guys lets get this moving, if you are considering an exhaust for you 535i jump on this one.
come on guys lets get this moving, if you are considering an exhaust for you 535i jump on this one.
09-01-2009, 11:48 AM
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Originally Posted by edkwok99' post='965872' date='Aug 4 2009, 08:50 PM
hmmmm......
Is the gain the same for 6mt?
Is the gain the same for 6mt?
DOOOO ITTT!
10-08-2009, 04:28 PM
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My Ride: 2008 BMW 535XI white
Model Year: 2008
Originally Posted by dbae1978' post='939317' date='Jul 11 2009, 05:19 AM
the stock exhaust is not a true dual exhaust. It has dual piping from the downpipes, switches to single piping in the single muffler, and comes through as a dual tip. The rpi exhaust has dual piping from the downpipes all the way back to the dual mufflers and dual tips.\\
quad exhaust usually lose hp
quad exhaust usually lose hp
10-08-2009, 04:31 PM
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Originally Posted by 08white' post='1028099' date='Oct 8 2009, 05:28 PM
i thought quad only lose hp on non turbo cars, but gain hp on turbo cars, am i wrong?