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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
This header delivers the best peak horsepower gains while utilizing a one piece design
Screw-in Plug (block off recirc or atmo outlet)
Proxes R888R allows track users to carry higher speed through corners for faster laps
RADIUM FST-R FEATURES:
Bosch 4.9 Wideband Sensor Pistons This header delivers the bestThis sensor can be used with all wideband controllers that support LSU 4. 9 sensors. Advantages of LSU4. 9 lambda sensor technology (versus LSU4. 2) Improved accuracy and reliability LSU 4. 9 uses pumping current as a reference, while LSU 4. 2 uses a reference air cell. Over time this reference air cell becomes contaminated. This shifts sensor reading to the low side. However, LSU4. 9 doesnt use a reference air cell at all, which was the Achilles heel
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