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RimasRS · 02-14-2013, 10:08 AM

I heard a lot people saying that 3 inch loses a bit of torque comparing with 2.5 inch but better for HP.

Can you share the source of downpipes you want to buy. I would be interested also.

02-14-2013, 10:08 AM	#2
RimasRS Colonel 85 Rep 2,438 Posts Drives: BMW X3 SD Join Date: Sep 2010 Location: Europe iTrader: (0)	I heard a lot people saying that 3 inch loses a bit of torque comparing with 2.5 inch but better for HP. Can you share the source of downpipes you want to buy. I would be interested also.
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