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These equal length performance headers improve exhaust flow and sports car sound and fit both 458 Italia Coupes and Spiders worldwide.
SOUND:
These headers will give your 458 a light increase in volume while the equal length design smooths out exhaust pulses for a smooth high pitched sound and adding significant horsepower while being emissions compliant. .
POWER:
Often times headers are the best way to unlock "Clean and Green Performance" emissions legal power on a naturally aspirated engine. On our DynoJet we saw peak curve gains of +41HP crank horsepower (wheels horsepower + 34 whp ) and +38 ft-lbs of torque at 4500 RPM. Theses gains are carried throughout the RPM band with peak horsepower at redline even picked up +16HP. Significant power performance gains while being 100% emissions legal.
FEATURES:
NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs