Quote:
Originally Posted by STLBimmer
Jaekeem,
If you were starting with an f10 535i today what would your mods be? I'm selling an f30 335i and just bought f10 535i m sport. Obviously a noticeable power difference, and not trying to match the 3 series, but a couple bolt one I could do myself would be great. I'm fairly capable under the hood and can lift the car for work.
I have JB4 stage one and was considering:
Turboback exhaust (what size is good for this engine?)
Sprint booster
High flow filter in exhaust (or is full replacement of box Better?)
Thanks ahead of time.
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The biggest difference was a JB4 and catless downpipe in regard to power in the F10. As for the exhaust it really just comes down to which one you like that sounds the best to you. The downpipe install is pretty easy from what I saw as it was just undoing the clamp that holds the downpipe to the turbo.
I've had a lot of dyno time with this car and probably have over 100 runs over at EAS trying to do everything to extract power minus a turbo swap.