Air and Fuel› Fuel Pumps, Regulators and Components

FST PERFORMANCE

FloMax(TM) Water Separating Fuel Filter

$22.95

SKU: F03W RF300

In Stock
In Stock
Ships by Sep 22
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The FST Performance RF300 is a spin-on fuel filter designed for RPM300 and RPM350 systems. It features 4-micron enhanced cellulose filter media that can separate water from fuel, offering a flow rate of 300 GPH. This filter is self-contained, eliminating the need for canister cleaning and reducing the risk of fuel system contamination.
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Part #: RF300

Replacement FloMax(TM) 4-micron, water-separating spin-on filter for RPM300 & RPM350. The 183 sq.in. of proprietary FloMax(TM) 4-micron, water-stripping enhanced cellulose Filter media coupled with Unique Flow Patterns increase Efficiency and provides flow of 300 gph. The easily replaceable spin-on filter is totally self-contained, requires no messy and questionable canister cleaning, eliminates cartridge style filter back flushing, and eliminates any chance of fuel system contamination. The filter sealing system has no housing seals or gaskets to dig out and no gaskets, O-rings, or seals to leak or swell. For racing; quick change spin-on. Height 3.46 x Diameter 3.09 x Weight 11oz.

183 sq.in. of proprietary FloMax(TM) 4-micron, water stripping enhanced cellulose Filter media coupled with Unique Flow Patterns increase Efficiency and provides flow of 300 gph. Spin-on replacement for RPM300-350. H 3.46 x D 3.09 x W 11oz.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandFST PERFORMANCE
Part NumberF03W RF300
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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