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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Professional installation is recommended to verify proper O2 sensor operation post-installation
The rod is precision-ground and induction-hardened to resist bending under sideload
Check local noise regulations before purchase
Air pressure is adjustable from 50 to 150 PSI depending on load requirements
Hedman Hedders 89348 Hedman Elite Extreme-Duty Headers Dart Severe-Duty Stainless Steel Valves Professional installation is recommended toHedman Elite Extreme Duty headers (89348) are built for vehicles operating under severe conditions including towing off road use track days or high mileage daily driving. These headers feature thicker 3 8 inch laser cut flanges and heavy duty 14 gauge tubing that withstands thermal cycling and physical abuse better than standard headers. The Elite series is the go to choice when reliability matters as much as peak horsepower delivering 12 20 hp gains
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