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Stainless Works long-tube headers for 2021–2025 Ford F-150 5.0L feature 1-7/8-inch primaries and high-flow catalytic converters with factory connections. These headers are intended to improve exhaust flow and integrate with the vehicle’s factory plumbing, offering a direct-fit upgrade that balances increased scavenging and compatibility with the stock connection points for easier installation.
Stainless Works 21-25 Ford F150 5.0L Headers 1-7/8in Primaries High-Flow Cats Factory Conn.
