1-4 DAYS DELIVERY
2015-2021 Subaru WRX STI High-Flow Cat J-Pipe Intake Exhaust
Couldn't load pickup availability
100% ORIGINAL & HIGH-QUALITY
1-YEAR WARRANTY
Description
Description
Upgrade your 2015+ Subaru WRX/STI with this T-304 Stainless Steel J-Pipe Assembly, designed for improved exhaust flow and turbo efficiency. Featuring an anodized silver finish, this high-performance upgrade enhances both power and responsiveness.
Engineered with a 1/2" thick turbo flange, smooth 3.5" to 3" transition, and optimized tube routing, it maximizes clearance while maintaining velocity. The 300-cell metallic substrate catalytic converter (for catted models) provides a balance of performance and emissions control. Includes custom stainless turbo studs and a 3rd O2 bung for aftermarket sensor compatibility.
Fitment: 2015-Up Subaru WRX / STI
Shipping Policy
Shipping Policy
United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.
Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.
Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!
Turnaround Time
Turnaround Time
- Complete Headlights: 3-5 business days for order processing plus shipping time.
- Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
- New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
- DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
- Lens Replacements: 1-3 weeks plus shipping time.
Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.

