Choosing an exhaust
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From: Thousand Oaks, California
My Ride: 2008 550i Jet Black on Black Leather, SAT with Paddles, Logic 7, Comfort Seats, NAV, Sport Package, PDC, Xenons, Sirius, Trinity 12W LED Angel Eyes, RPi GT Exhaust, M rear spoiler, ACS Roof Spoiler, Tinted Tail Lights, Bimmian Carbon Fiber Pillar Trim, Bimmian Shadow 550i emblem, RPi Scoop, E60 Forum Cling, Mtec bulbs in fog lights, Mtec 2W LED for License Plate Light Bulbs, K&N Filter, Bimmian LED Smoked Side Markers, Blackout roundels, Carbon Fiber Kidney Grills.
Retired Rides - 1989 325i convertible, 1995 M3, 2002 X5, 2005 545i, 2008 X5 (Lemon)
If I was buying an exhaust system for my car today, it would be RPI! 
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From: NY
My Ride: 2008 Silverstone II E60 M5 2012 E70 AW X5 50i Sport w/ LCI Aero Kit and Rocker Panels
Originally Posted by TopSekret' post='929322' date='Jul 1 2009, 04:48 AM
rpi is very loud?
which is louder rpi or eisenman?
which is louder rpi or eisenman?
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From: State of Confusion
I'm backing up the RPI exaust 100%.
Great sound, great performance.
Put the scoops in the front and you're golden.
I don't think RPI exaust is "the flavor of the month" I do think it's a great product.
(I am not an actual paid actor for the RPI company
)
Great sound, great performance.
Put the scoops in the front and you're golden.
I don't think RPI exaust is "the flavor of the month" I do think it's a great product.
(I am not an actual paid actor for the RPI company
)
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From: New York, New York
My Ride: See my signature
Originally Posted by C's Bimmer' post='929554' date='Jul 1 2009, 12:25 PM
Eisenmann Race is one of the loudest I've ever heard. Street is probably on par with RPI. However, RPI has a much sweeter tone to it. You still get the high pitch F1 V10 sound from the car, just like a Ferrari/Lambo, when the car is under load. That's why I like RPI.
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From: Zoo York
My Ride: Alpine White 2006 530Xi (SLD)
Originally Posted by TopSekret' post='930370' date='Jul 2 2009, 05:11 AM
Just watched video on youtube, Rpi is not to loud?
After long driving on a highway the head and ears will be ok?
After long driving on a highway the head and ears will be ok?
In the meantime, anybody know which exhaust gives you the best improvement in power delivery?
BTW Физкульт Привет Сургут
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From: Russia, Surgut
Originally Posted by v_therussian' post='930388' date='Jul 2 2009, 05:54 AM
There is a guy selling an RPI exhaust now in classifieds because its too loud for him.
In the meantime, anybody know which exhaust gives you the best improvement in power delivery?
BTW Физкульт Привет Сургут
In the meantime, anybody know which exhaust gives you the best improvement in power delivery?
BTW Физкульт Привет Сургут
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From: Durham, NC
My Ride: 2004 545i Black Sapphire Metallic - RPI Exhaust, RPI scoop
Originally Posted by TopSekret' post='928383' date='Jun 30 2009, 04:40 AM
Which is not very loud?
I think the best exhaust out there right now is the RPI (performance & sound)
but it may be too aggressive for what you are looking for.