Ignitions and Electrical› Ignition Components

FOX

2.5 External Bypass

$1,708.95

SKU: F00A 981-25-421-R

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Fox Factory Race 2.5 X 12 External Bypass (4 Tube) Remote Shock (Right) provides enhanced ride quality and superior control for stock and lifted trucks/SUVs. This off-road race-inspired shock features an external reservoir for increased oil/nitrogen capacity, ensuring consistent performance. It boasts a 2.5-inch smooth bore zinc-plated seamless steel body and black-anodized CNC-machined 6061-T6 billet aluminum components for durability.

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

BrandFOX
Part NumberF00A 981-25-421-R

Videos

Fox Shocks Frequently Asked Questions - 2.0 Performance & 2.5 Factory Series

Fox Shocks Frequently Asked Questions - 2.0 Performance & 2.5 Factory Series
2009-2018 F150 Fox 2.5 Factory Series Piggyback Reservoir Rear Shock Install and Review

2009-2018 F150 Fox 2.5 Factory Series Piggyback Reservoir Rear Shock Install and Review
2.5 Factory Race Series Shocks for Toyota Explained | FOX

2.5 Factory Race Series Shocks for Toyota Explained | FOX
Everything You Need to Know About Fox DSC Adjusters

Everything You Need to Know About Fox DSC Adjusters
@ShockSurplus Rebuild Service - Fox 2.5 Factory Series

@ShockSurplus Rebuild Service - Fox 2.5 Factory Series
Fox Performance Elite Series vs Factory Race Series

Fox Performance Elite Series vs Factory Race Series
2009-2019 F150 FOX 2.5 Factory Front Coilover Reservoir Shocks for 0-2" Lift 4WD Review & Install

2009-2019 F150 FOX 2.5 Factory Front Coilover Reservoir Shocks for 0-2" Lift 4WD Review & Install
Fox Race Series 2.5" Reservoir Shocks | Jeep Gladiator JT Install

Fox Race Series 2.5" Reservoir Shocks | Jeep Gladiator JT Install
Which FOX Shock Is Right for Your Jeep? | Gladiator Upgrade + Quick Review

Which FOX Shock Is Right for Your Jeep? | Gladiator Upgrade + Quick Review

Buy with Confidence

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 Policy