baseline determined the 1.5l 1nZ-Fe to be good for 98.00 hp at the wheels, or 90 percent of Scion's claimed 108hp flywheel numbers. while we were impressed with the small 10 percent drivetrain loss, even more impressive was 98.97 lb-ft torque output that's normally uncharacteristic of a N/A engine this small-a testament to the advantages of variable valve and ignition timing its VVti feature allows.
The DME header's runners are equal length, fatter and straighter than the factory unit's, and collect at less of an angle. All this leads to an increase in flow that brought more power across the entire powerband, especially noticeable at top end.
this prove that manifold can increase that kinda power! for more power try to change the valve spring and a racing cam hehehe
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