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      02-03-2013, 03:15 PM   #53

Drives: BMW
Join Date: Mar 2012
Location: USA

Posts: 655
iTrader: (5)

I hate bumping this thread, but I figure it's better than starting a new one. Is this kind of PSI okay to run on a car with no downpipe? It seems so tempting but I'm concerned about the backpressure on the turbo running that much boost through stock downpipes.

Can e85 be run without downpipes safely?