Bimmerzone.com : RPI BMW E60 535i Exhaust Group Buy
02-08-2013, 10:40 AM
#51
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Eloy did mention that they are doing a workaround 
This would be great and it's a full catback so weight savings and of course, the reputable power bump with RPI's exhausts. RPI will give just a slightly sportier exhaust note and true gains. It's louder than Dinan but not as loud as Magnaflow, Eisenmann, Meistershaft, etc. So for me, the Goldilocks zone! I'm working with Vincent from Bimmerzone and have been in touch with RPI representatives. I've done the research, if Eloy from RPI can do this, I'll take the plunge. Keep everyone posted.
02-19-2013, 04:15 AM
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03-27-2013, 02:47 PM
#56
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My Ride: 2010 535i M Sport 6MT
Model Year: 2010
What is the workaround for the vacuum-operated butterfly valve in the OE muffler, when installing this RPi cat-back system?
03-27-2013, 05:23 PM
#57
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My Ride: Alpine E60, '09 535i-Premium, Sport and Comfort Access PackageMods: Lux H8 V3 Angel Eyes, Weisslicht LED license plate lights, Interior LED lights, RPI Scoop, Matte Black Grills, Smoked LED side markers & side reflectors, 35% tint all around, and a 3
https://5series.net/forums/e60-parts...er-mod-106300/
03-28-2013, 08:02 PM
#58
RPi and Eloy were the ones to install my exhaust, and I can confirm that they use a method similar to the "golf tee mod." He sealed the vacuum hose with a well-fitting screw and tucked it in above my rear bumper. Works fine so far, no issues, and awesome exhaust overall.
03-28-2013, 08:04 PM
#59
