Product images and videos 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.
Air and Fuel› Fuel Pumps, Regulators and Components
FST PERFORMANCE
FloMax 300 Fuel Filter System w/ 1/2NPT Ports
SKU: F03W RPM300
Advanced — 4+ hours
Overview
Show original supplier description
Part #: RPM300
High Performance / Racing Fuel Filter/Water Separator System. The FloMax(TM) RPM300 series was designed to combine ultra-high efficiency fuel filtration in the smallest possible package - only 4.25" tall! The high fuel flow capabilities and extremely low fuel flow restriction of the FloMax(TM)300 series coupled with highly efficient 4-micron enhanced cellulose filtration and water separation make this the most innovative and efficient system ever built. Is designed for use in gasoline, racing fuel, ethanol, and methanol in a wide variety of motor sports applications. Engineered for either suction or pressure side mounting, the FloMax(TM)300 offers the utmost in installation flexibility plus the NPT MultiFlow(TM) multiport design (2 IN & @ OUT) allows unused fuel ports to function as a fuel system drain, regulator mount, fuel pressure gauge port and other fuel accessories. FlowMax(TM) Replacement filter part # RF300.
FloMax(TM) 300 Fuel Filter System / 4-micron water-stripping filter / MultiFlow(TM) Billet Aluminum base with 2 each 1/2 inch NPT (Pipe threads) In & Out ports. Burst pressure 250psi/Height - 4.25"/Width - 3"/Depth - 3.75"/Weight - 19oz
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | FST PERFORMANCE |
| Part Number | F03W RPM300 |
About MOTORMIA
Buy with Confidence
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.
View Full Return PolicyShipping
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.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy