Skip to content

50% off CLEARANCE Items. Add to Cart to See Discount.

Trucks
Accessories
Air and Fuel Delivery
Belts and Cooling
Body
Brake
Engine
Driveline and Axles
Electrical, Charging and Starting
Electrical, Lighting and Body
Emission Control
Entertainment and Telematics
Exhaust
HVAC
Ignition
Plumbing
Suspension
Steering
Tire and Wheel
Transfer Case
Transmission
Wiper and Washer
Hardware and Service Supplies
Household, Shop and Office
Oil, Fluids and Chemicals
Tools, Equipment and Supplies
BRZ/86/FR-S
BRANDS
View all BRANDS
FLASH DEALS
PARTS DOCS
NEWS

FR SPORT

Open search
Translation missing: en.header.general.login
Translation missing: en.header.general.cart
Translation missing: en.cart.general.item_count

FLASH DEALS
PARTS DOCS
NEWS

Trucks

Tomei
Berk Technology
ISR Performance
MBRP
PLM
HPS
Megan Racing
Toyo Tires
ANZO
HKS
Advan Carbon
Tom's Racing
View All Brands

Accessories
Air and Fuel Delivery
Belts and Cooling
Body
Brake
Engine
Driveline and Axles
Electrical, Charging and Starting
Electrical, Lighting and Body
Emission Control
Entertainment and Telematics
Exhaust
HVAC
Ignition
Plumbing
Suspension
Steering
Tire and Wheel
Transfer Case
Transmission
Wiper and Washer

Hardware and Service Supplies
Household, Shop and Office
Oil, Fluids and Chemicals
Tools, Equipment and Supplies

BRZ/86/FR-S

0

Your cart is empty

Continue shopping

K&N Engineering K&N 2-1/2in 5 Deg Flg 3-1/2 Od 4in H RU-3125HBK

SKU: 9EXI1 | MPN: RU-3125HBK

Sale price$52.99 USD

Sold out

This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

KN Universal Air Filter

You may also like

Sign up for news and special offers

E-mail

Quick links

Return & Refund Policy
Order Refund Frequently Asked Questions
Shipping Policy
Search
Terms of Service
Line Card
Parts Docs
Heavy Throttle
Brand Guidelines

FR Sport

The #1 Shop for Off-Road Use Only, Racing Parts & Accessories. We do not ship non-CARB approved parts to CARB states. All auto parts may expose you to chemicals (Prop 65).

© 2025, FR SPORT