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The Weapon R 4" Dragon air filter assembly is a universal‑fit red foam filter with an integrated cage and includes a coupler and clamp for installation. Sized for 4‑inch inlet applications, the kit provides a compact filtration solution for aftermarket intake setups that accept universal filter elements. The assembled unit simplifies replacement or custom intake builds where a 4" filter is required.
Weapon R 4in Dragon Air Filter Red Foam Filter/Cage (w/ Coupler/Clamp)
