SKU: B343250 | UPC: 700424676293
COBB Fuel Rail Line Kit 2008-2021 Subaru WRX STI (w/ COBB Fuel Rails)
The COBB 343250 Fuel Rail Line Kit is the required braided stainless fuel line package when installing COBB Top-Feed Fuel Rails (343150) on any 20082021 Subaru STI. Includes pre-assembled -6 AN PTFE black braided hose, 90 and straight fittings, and all necessary adapters for a 100% leak-free, plug-and-play installation. Built to support E85, race gas, and 1500+ hp fuel systems with zero permeation and 1000+ psi pressure rating.
Key Features
- Pre-Assembled -6 AN PTFE Hose: Black stainless braid, zero permeation for reliable fuel delivery
- 90 & Straight AN Fittings: Black anodized aluminum for secure, durable connections
- Direct Fit for COBB Fuel Rails: No custom fabrication needed for seamless integration
- E85 & Race Fuel Compatible: Full PTFE inner liner handles aggressive fuels without degradation
- Made in the USA: Lifetime warranty against defects for lasting quality
Product Notes
- Required when installing COBB Top-Feed Fuel Rails (343150) on 20082021 STI
- Works with factory hard lines or full custom setups
- Custom pre-cut lengths match COBB rails exactly
Installation Notes
- Professional installation recommended.
- 30-minute install connect to COBB rails and factory hard line
- No cutting or flaring required completely pre-assembled with full color instructions
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 20082021 | Subaru | WRX STI | Incl. Type RA |
Why Choose COBB Tuning?
- 1 name in Subaru performance for over 20 years
- Engineered and manufactured in the USA
- Proven on every 8001500+ hp EJ257 build worldwide
Frequently Asked Questions
- Q: Do I need this with COBB fuel rails?
A: Yes, COBB rails delete the factory crossover tube. - Q: Is it E85 safe?
A: 100% full PTFE inner liner. - Q: Can I use it with other rails?
A: Yes, as long as they have -6 AN ports.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Official COBB retail box (10 x 6 x 2 inches)
- Weight: 1 lb
