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ShocknAwe · 01-30-2024, 04:05 PM

1M diffuser and Rieger Quad diffusers have 1M tip spacing. 135i quad exhaust spacing is wider. E46 M3/E9xM quad spacing is narrower than 1M.

There's a few photos out there.

I had a 3" quad custom fabricated.

01-30-2024, 04:05 PM	#2
ShocknAwe 1Addict 3234 Rep 7,894 Posts Drives: E82 Mutt, M57 Truck Join Date: Jul 2012 Location: Charleston iTrader: (22)	1M diffuser and Rieger Quad diffusers have 1M tip spacing. 135i quad exhaust spacing is wider. E46 M3/E9xM quad spacing is narrower than 1M. There's a few photos out there. I had a 3" quad custom fabricated. __________________ 2010 135i 6MT Jet Black N54/3 FE82 Mutt \| BUILD THREAD \| GARAGE SALE
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