View Single Post #5946: 12-07-2012, 08:00 PM baconbits's Avatar
Title: Contributing V.P. Location: Cleveland, Ohio Car: Stage 2
'06 BSM Sedan 5mt Posts: 1,233 iTrader: (1) Send a private
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Posted by cryo View Post Think of it this way, the stock tune
will fight you when it comes to trying to make the engine "flow
better" and will actually result in very similar performance
while taking the engine far away from its safe zone. The stock
tune is calibrated to hit specific load values as well as boost
values. As soon as those variables become uncontrollable so does
the life expectency of the motor.  An aftermarket tune actually
makes the computer take advantage of the modifications and works
with them rather than against them.  Hope this helps.  I get all
that... I had 190whp on my Jetta before I sold it so tuning and
mods isn't new to me. I just find it hard to believe you can
slap a downpipe on any VW/Audi car or a cold air intake and not
have any issues