What is the main difference between the Fast Road Spec and Track Day Spec?

The Fast Road Spec is suited for street driving with occasional spirited use. The Track Day Spec steps it up and is better suited for cars that see regular circuit use where a stiffer platform improves response and reduces body movement under load. Custom spring rates are also available if neither spec fits your specific setup.

Do I need the Nitron Electronic Damping Delete Kit with this coilover kit?

It depends on the car. The 8S Audi TT was available with Audi Magnetic Ride as a factory option, so not every TT requires the delete kit; only those equipped with it. The TTS is different; Magnetic Ride is standard on that model, so the delete kit is required across the board when fitting a non-electronic coilover kit.

Does the Nitron NTR-R1 kit include top mounts?

Yes. Each kit consists of four coilovers and top mounts. Precision bearing spacers are also supplied as required for the application.

How is the damping adjusted on the NTR-R1?

The NTR-R1 uses combined 2-way adjustment with 24 clicks total, meaning compression and rebound are adjusted together through a single adjuster rather than separately. It's a straightforward setup that covers a wide range of driving conditions without requiring independent adjustment of each circuit.

Is the Nitron NTR-R1 serviceable?

Yes. Every unit is hand-built to order and fully serviceable, meaning the kit can be rebuilt and revalved rather than replaced outright. That makes it a more durable long-term investment compared to non-serviceable coilover options.

Description

Additional Info

Shipping policy

BP PRICING DIFFERENCE

Reviews

Product Inquiry

Description

Nitron NTR-R1 Coilover Kit for 8S Audi TT / TTS

The Audi TT and TTS 8S sit on a platform with genuine handling potential, but the factory suspension is tuned for a broad audience rather than the driver who wants to explore what the chassis is actually capable of. The Nitron NTR-R1 coilover kit for the 8S TT and TTS closes that gap with precision-engineered, combined 2-way damping adjustment drawn directly from the R3 race platform, sharing core components with a kit built for professional competition. There’s no remote canister to package around, and every unit is individually hand-built with ultra-low friction components that deliver consistent, fade-resistant damping from the street to the circuit. Hard-anodized titanium finish parts and high-grade materials keep corrosion out and weight in check, and with each kit custom built, custom sprung, and fully serviceable, it’s an investment that holds up well beyond a single season.

Unique Technology

Every Nitron shock is built from precision components that go through a thorough design and development process before reaching final assembly. The modular construction gives engineers the flexibility to tailor each application properly, without cutting corners on how individual parts are made or how they perform together. Components are machined to tight tolerances and inspected one by one by trained technicians as part of a strict quality control process. New materials, finishes, and processes go through extensive validation before adoption, with Nitron-specific technologies integrated to produce shocks that outlast and outperform competing options on the road and track. That standard of engineering is what the brand’s reputation is built on.
- Basic Damper Design:
  1. End Eye / Top Mount
  2. Damper Piston & Shim Stack
  3. Shaft / Rod
  4. Floating / Separator Piston
  5. Suspension Oil
  6. Compressed Nitrogen Gas

Bespoke Engineering

Nitron doesn’t adapt a generic damper to fit a given platform. Every application goes through a dedicated development process, with components, spring rates, and damping characteristics engineered around the specific car rather than the category it belongs to. Geometry, weight distribution, and suspension travel are factored into the design from the start, not compensated for after the fact. The result is a kit that was built for the 8S TT and TTS specifically, not one that was built broadly and happens to fit.

Features

Internal reservoir type
2-way combined adjustment
Full alloy body
Preload adjuster
Combined 24 clicks of adjustment
Nitrogen gas charged
Precision bearing spacers supplied as required
Consists of 4 coilovers and top mounts
Hand made to order

Specifications

Coilover Type: NTR-R1
Adjustment Type: 2-way combined
Adjustment: 24 clicks combined
Rear Suspension Type: OEM
Droplinks Included: No
Recommended Spring Rates:
- FRS – Fast Road Spec:
  - Front: 570lbs/inch (100N/mm)
  - Rear: 630lbs/inch (110N/mm)
- TDS – Track Day Spec:
  - Front: 685lbs/inch (120N/mm)
  - Rear: 740lbs/inch (130N/mm)

Applications

Audi TT: 8S | 2014-2023
Audi TTS: 8S | 2014-2023

Other Suspension Kits for the Audi TT / TTS (8S)

NTR-R3 Coilover Kit

Notes

If your 8S Audi TT was optioned with Audi Magnetic Ride, the Nitron Electronic Damping Delete Kit is required when fitting a non-electronic coilover kit to prevent fault codes and warning lights. The TTS is a different situation; Magnetic Ride comes standard on that car, so the delete kit is required across the board.
Custom spring rates also available, please contact us directly here for more information or for a consultation on custom rates
Images used for illustration purposes only. Specific details, finishes and end fittings may differ from that shown.
Precision bearing spacers supplied as required

Frequently Asked Questions

What is the main difference between the Fast Road Spec and Track Day Spec? The Fast Road Spec is suited for street driving with occasional spirited use. The Track Day Spec steps it up and is better suited for cars that see regular circuit use where a stiffer platform improves response and reduces body movement under load. Custom spring rates are also available if neither spec fits your specific setup.
Do I need the Nitron Electronic Damping Delete Kit with this coilover kit? It depends on the car. The 8S Audi TT was available with Audi Magnetic Ride as a factory option, so not every TT requires the delete kit; only those equipped with it. The TTS is different; Magnetic Ride is standard on that model, so the delete kit is required across the board when fitting a non-electronic coilover kit.
Does the Nitron NTR-R1 kit include top mounts? Yes. Each kit consists of four coilovers and top mounts. Precision bearing spacers are also supplied as required for the application.
How is the damping adjusted on the NTR-R1? The NTR-R1 uses combined 2-way adjustment with 24 clicks total, meaning compression and rebound are adjusted together through a single adjuster rather than separately. It’s a straightforward setup that covers a wide range of driving conditions without requiring independent adjustment of each circuit.
Is the Nitron NTR-R1 serviceable? Yes. Every unit is hand-built to order and fully serviceable, meaning the kit can be rebuilt and revalved rather than replaced outright. That makes it a more durable long-term investment compared to non-serviceable coilover options.

About Nitron Suspension

Nitron Suspension has been at the forefront of precision suspension engineering since 1998, founded by Guy Evans with the goal of building high-performance shocks for enthusiasts and professionals alike. Over 200 dealers now carry Nitron products across Europe, Asia, the US, Australasia, and Africa. In 2008, the company moved into a dedicated facility in the UK’s Motorsport Valley, adding dynamometers, 5-axis CNC machines, and 3D CAD capabilities to support both growing demand and continued product development. A second expansion came in 2023 with a new office in Murrieta, California. The team behind every Nitron product draws from deep backgrounds in machining, materials technology, hydraulics, bike engineering, and F1 racing, with many engineers bringing firsthand experience as competitive drivers and riders. That depth of knowledge across both the technical and competitive sides of motorsport shapes every product Nitron develops.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Product Inquiry

First Name (*required)

Last Name (*required)

Your E-Mail (*required)

Telephone Number (*required)

Country (*required)

Vehicle Year / Make / Model (*required)

Please Explain What do you want to do with your vehicle

Additional Information (optional)

I agree to the terms & conditions and privacy policy and to have Bulletproof Automotive LLC contact me for promotion, marketing and other purposes via email, phone or SMS message.

Nitron NTR-R1 Coilover Kit for 8S Audi TT / TTS [NTCAU016R1]

Guaranteed Safe Checkout

Nitron NTR-R1 Coilover Kit for 8S Audi TT / TTS

Unique Technology

Bespoke Engineering

Features

Specifications

Applications

Other Suspension Kits for the Audi TT / TTS (8S)

Notes

Frequently Asked Questions

About Nitron Suspension

Reviews