
Originally Posted by
Smoknjoe28
Not just after sound. Just ordered the DS1 tune and I want to let the engine breathe better. But I keep hearing that stock is best which is hard to believe.
Yeah any decrease in pressure ratio should help turbo life span and helps expand its compressor map. A study was done by Garrett, can’t find the link anymore for some reason, but the result was that they gained a a lbs/min in flow rate up top which should equate to a noticeable gain in vehicle performance. Obviously it becomes more pronounced the more power that you push as any restriction becomes more magnified, but in theory even running stock you should see some improvement.
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