Originally Posted by paradoxical3
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?
I wouldnt but you can if its not ALL the time.
Current: 2011 Honda Accord.
Past: 2013 335i 6mt msport
JB4, ER Downpipe, ATM FMIC, aFe Momentum PRO 5R Intake, Pure Stage 2
Past: 2011 335i coupe 369 whp/444 torque