Quote:
Originally Posted by xsnapshot
This isn't really true. Nothing is free. Your turbo runs off of back pressure. What generates back pressure? Your engine.
Your engine is having to work harder to expel the exhaust gas out vs NA motor.
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This is only true if the turbo manifold runners and collector are smaller than the stock header, which they are not. The stock exhaust is 2" and I have a 2" outlet on the back wheel of my turbo. Plus my runners are slightly larger on the manifold.