Does Turbo Increase Horsepower. The third benefit of higher exhaust temperature is that with increased exhaust gas velocity the turbo can spool higher and create more boost leading to an increase of horsepower once the wastegate and blow-off valve are tuned accordingly for the increased boost. For a real performance boost especially for turbosupercharged cars a straight pipe low restriction muffler can add a few horsepower.

The third benefit of higher exhaust temperature is that with increased exhaust gas velocity the turbo can spool higher and create more boost leading to an increase of horsepower once the wastegate and blow-off valve are tuned accordingly for the increased boost. The automakers are under the gun to raise their fleet-wide Corporate Average Fuel Economy. More air equals more power so to speak.
Power developed by the engine depends directly on the amount of air and fuel mixed with it which is fed to the engine.
And now theres set ups that use two turbos with a. Consequently a turbo four-cylinder engine. More air equals more power so to speak. TorqueCars Turbo engine power gain calculator.

