Air and Fuel› Fuel Injection Systems and Components - Electronic

COBB

Cobb 08-21 Subaru STI Fuel Rails

$300.00

SKU: C005 343150

In Stock
In Stock
Ships by Aug 2
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 343150

MIA's Description

The COBB Fuel Rail Kit (MPN: 343150) upgrades Subaru STI fuel systems for increased capacity, featuring CNC machined 6061 billet aluminum, a black anodized finish, and a laser-etched COBB logo. It includes -8 AN to -6 AN adapters, is compatible with stock-style and Injector Dynamics injectors, and provides parallel fuel delivery with phenolic thermal spacers.

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

BrandCOBB
Part NumberC005 343150

Videos

COBB Tuning - NexGen Flex Fuel for Subaru 2008-2021 STI

COBB Tuning - NexGen Flex Fuel for Subaru 2008-2021 STI
2017 STI Fuel Injector Install! Employee Build: Muchee's Subaru STI | EP. 2.2

2017 STI Fuel Injector Install! Employee Build: Muchee's Subaru STI | EP. 2.2
Cobb Flex Fuel, TGV Deletes, Fuel Rails, and Turbo Inlet | Power Series Part 1 | 2017 Subaru WRX STI

Cobb Flex Fuel, TGV Deletes, Fuel Rails, and Turbo Inlet | Power Series Part 1 | 2017 Subaru WRX STI
COBB Tuning Flex Fuel - Subaru - Install/Review

COBB Tuning Flex Fuel - Subaru - Install/Review
Installing Cobb Flex Fuel Kit #E85 #subaru #Cobbtuning

Installing Cobb Flex Fuel Kit #E85 #subaru #Cobbtuning
Cobb Flex Fuel Install 2015+ WRX

Cobb Flex Fuel Install 2015+ WRX
Cobb NexGen Flex Fuel Update

Cobb NexGen Flex Fuel Update
Cobb Green Speed Project (What Happened?!!)

Cobb Green Speed Project (What Happened?!!)
Cobb Flex Fuel Install by WRXperts! (2017 WRX STI DIY)

Cobb Flex Fuel Install by WRXperts! (2017 WRX STI DIY)
COBB Tuning - COBB University Episode #7 - Fueling System

COBB Tuning - COBB University Episode #7 - Fueling System

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.

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