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I see. Should be ok then. The Tom's was dual pipes from mid-section so significant loss of backpressure. The Hamann ones are "fake" quads, I guess.....
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F06 650i Gran Coupe Ruby Black/Dakota Cinamon- 2012-10-12 Adaptive Drive/IAS/Surround View/Adaptive LED/Comfort Seats/BMW 356 Liquid Black/Michelin PSS 245/35R20-285/30R20
E93 M3 Cabriolet Satin Pearl White/CR - 2012/03/12  Bilstein PSS10/ Michelin PSS 245/35R19-265/35R19 Brembo GT
2011 F10 550i M Sport - Retired |