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Old 11-16-2012, 12:36 AM
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wassy wassy is offline
BMW Enthusiast!
Location: florida
Join Date: Mar 2004
Posts: 305
Mein Auto: '08 750i
Originally Posted by GirlLuvMyBMW640 View Post
installed on my 2013 GC. Got it yesterday. Love the new sound. Sorry no video. Don't know how. But here is a quick PIC.
More details please. What did you pay, installed?

I also have a 640igc. How much louder is the performance vs our stock? Obnoxious? Some of the videos I've seen of it on 650's and F10's may not do it justice and sounds a but louder than I'd like. But I am looking for a little deeper bass in the exhaust and maybe about a 30% increase in volume.

Any effect at all on performance? And finally, how about sound from inside of car? Any droning? Reverb? Echo?
'13 640i Gran Coupe Alpine White/Cinnamon Brown, M-Sport, Driver Assistance, Lux Seating, Premium Sound, Full LED's

'10 Porsche Panamera S
'09 Maserati Quattroporte S
'08 550i Carbon Black/Natural Brown/Anthracite, Sport Pkg, Active Steering, Comfort access, Sport transmission, rear shades, NAV, Sirius, L7, Ipod/USB, PDC, Heated Front Seats.
'08 750i Sapphire Black/Natural Brown
'06 750i Sapphire Black/Natural Brown
'07 550i Sapphire Black/Black
'05 545i Silver Grey/Black
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