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This technology effectively manages harmonics
From cruising city streets to conquering demanding race circuits
Ferrea’s high-strength valve springs reduce the risk of breakage
Whether you're enjoying spirited street driving or pushing your car through track sessions
SuperSprint Tubular Stepped Header, BMW S54 E34 This technology effectively manages harmonics+ 15 19hp gain over 'Euro style' headers,+ full stepped tubular and equal length headers,+ bolts to the engine with factory hardware and gaskets,+ used with Supersprint stepped section 1 (with or without cats)While stepped header technology has been prevalent in Formula 1 for some time, these SuperSprint Headers were the first application of a stepped design on the E46 M3. In an engine as finely tuned as the S54, airflow management is crucial for
