Quote:
Originally Posted by BMW86
Can you give me a close estimate on the gains I could expect from the following mods, with and without a tune.
catless downpipes
midpipes
axel back
fmic
How much total horsepower would one have with these mods.
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how much horsepower is kind of a relative question. dyno type, weather conditions, altitude, etc etc etc can all have an effect on horsepower figures.
here's my best attempt at an estimate:
with a tune, 350-420 wheel horsepower
without a tune, 300-340 wheel horsepower
as you can see, a tune is really required to get the most from your mods. catless exhaust, intercooler, etc will net you some power at stock boost levels, but the increased capacity for higher boost really should be taken advantage of.
