GFB Mach 2 Recirculating Plumb Back Blow Off Valve - Hyundai i20N (BC3) / i30 N-Line (PD) / Kona N-Line (OS) / Sonata N-Line (DN8)
Application: Hyundai i20N (BC3) / i30 N-Line (PD) / Kona N-Line (OS) / Sonata N-Line (DN8)
Part Type: Mach 2 Recirculating Plumb Back Blow Off Valve
GFB built the Mach 2 around its proven TMS technology, giving you dependable boost holding and sharper throttle response without the fuss of adjustable venting bias. It's a straightforward, bolt-on upgrade for the Hyundai i20N, i30 N-Line, Kona N-Line and Sonata N-Line, replacing the factory bypass valve with no extra adaptors or vehicle mods required.
This listing covers the Hyundai i20N (BC3), i30 N-Line (PD) and Kona N-Line (OS) fitted with the Smartstream 1.6T-GDI engine (G4FP), plus the Sonata N-Line (DN8) with the 2.5 T-GDI engine. SKU T9114 is supplied as a 100% recirculating (plumb back) valve for quiet, performance oriented operation.
Important: This valve is not compatible with i20N, i30 N-Line or Kona N-Line models running the Gamma 1.6T-GDI (G4FJ) engine - confirm your engine code before ordering.
Key Features
- Direct bolt-on replacement for the factory diverter valve
- TMS technology for up to 30% quicker return to peak boost on gear shifts
- Effectively unlimited boost holding capacity
- 100% recirculating configuration for factory-like quiet operation
- Optional atmosphere venting conversion available separately
Vehicle Fitment
- Hyundai i20N (BC3)
- Hyundai i30 N-Line (PD)
- Hyundai Kona N-Line (OS)
- Hyundai Sonata N-Line (DN8)
Please ensure your vehicle's engine code and trim level are confirmed before ordering.
Supplier-listed applications:
- Hyundai i20N (BC3)
- Hyundai i30 N-Line (PD)
- Hyundai Kona N-Line (OS)
- Hyundai Sonata N-Line (DN8)
Note: Compatibility information is provided as a general guide only. Some vehicles may have multiple part variations for the same model or engine. To ensure this product is the correct fit and to be eligible for our Fitment Guarantee, please contact our team before purchasing.
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If you can’t find the part you need, please fill out our Fitment Finder or visit our Contact Us page. One of our expert team members will respond promptly to assist with your enquiry.
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Payment is completed during checkout. We accept all major payment methods via Shopify Payments including credit/debit cards, Apple Pay, Google Pay, and more. Direct bank transfer is also available please contact us at contact@tjautoparts.com.au for bank details and instructions.
How long will it take to process my order?
We aim to process and dispatch all orders within 1–2 business days. If there are any delays, we will notify you promptly via email.
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We always aim to offer the best value. If you’ve found a better price elsewhere, get in touch with us and we’ll do our best to match or beat it.
Where do the products come from?
All products are sourced directly from the manufacturer or authorised suppliers to ensure authenticity. Every item is backed by the manufacturer’s warranty.
Do you offer trade accounts or special pricing?
Yes, we offer trade accounts and pricing for qualified customers. To find out more or apply, simply email us at contact@tjautoparts.com.au and our team will assist you.
To see more FAQs visit our FAQs page or get in touch today.
Shipping Rates
We offer free standard shipping on all orders over $150 (excluding bulky items). For orders under $150. Standard shipping starts at $9.95. Express shipping starts at $14.95. Shipping costs can be calculated in the cart or at checkout. Orders containing bulky items such as batteries, brake discs, liquids, and lift kits may incur additional shipping charges, particularly to remote or regional areas.
Dispatch & Handling
We aim to process and dispatch all orders within 1-2 business days. In the event of any delays, our customer service team will notify you. Tracking numbers are sent via email once your order has been dispatched and can also be accessed from your account.
For enquires on same day delivery or pickup, please contact our team before ordering to check availability. Custom or order in only items may have longer lead times. For more details on shipping, see our Delivery information page.
Returns and Refunds
If you change your mind or need to cancel an order, simply contact us at contact@tjautoparts.com.au within 30 days of delivery. Items should be unused and in their original packaging. A small restocking/admin fee of 5–20% may apply to help cover processing costs. This fee is only applicable at the discretion of our staff and may not apply to all orders. Return shipping is covered by you unless we sent the wrong or faulty item, in which case we’ll take care of it. Once we receive your return, refunds are processed quickly, usually within 48 hours, with up to 5 business days for your bank to complete the transfer.
We’re here to help make returns easy and hassle free! Contact us with any questions.
Warranty
All products come with the manufacturer’s warranty. If you experience any issues, please contact us at contact@tjautoparts.com.au. For full details on warranty coverage and claims, please visit our Returns page.
