Transforming an S550 into an official RTR Spec 1 build involves a detailed process with specific upgrades and features. This conversion includes changes both to the car’s appearance and its performance, using RTR parts and styling elements to achieve a unique look. The attention to detail ensures the vehicle stands out and matches the standards set by RTR.
The completed build showcases signature enhancements to the exterior, interior, and mechanical setup. Only authorized builders can offer these official RTR modifications, making the finished car a rare and authentic example for enthusiasts.
Key Takeaways
- Highlights the steps in converting an S550 to an RTR Spec 1.
- Covers both exterior and interior RTR upgrades.
- Emphasizes the build’s exclusivity and official status.
RTR Spec 1 Build Overview
The RTR Spec 1 package brings a set of upgrades to the S550. The front is fitted with a new RTR upper and lower grille, each featuring daytime running lights. RTR bonnet vents and a sun strip are added for a distinct look.
At the back, the build includes an RTR deck lid and gurney flap. RTR signature graphics and badge kit are applied for unique styling.
The exterior upgrades are finished with 20-inch RTR A5 wheels wrapped in Michelin Pilot Sport 4S tires. The car sits on RTR tactical performance lowering springs for a lower, more aggressive stance.
Inside, the interior features an RTR shift knob, embroidered floor mats, and an RTR serialized dash plaque.
Key Features:
| Exterior | Interior |
|---|---|
| RTR upper & lower grilles | RTR shift knob |
| Daytime running lights | Embroidered floor mats |
| Bonnet extract vents | Serialized dash plaque |
| Sun strip | |
| Deck lid & gurney flap | |
| Signature graphics & badges | |
| 20″ RTR A5 wheels w/ Michelin PS4S | |
| Tactical lowering springs |
Front End Enhancements
Redesigned Top and Bottom Grille Featuring LED Daytime Lights
The car gets a fresh look with a custom upper and lower grille. These grilles are fitted with LED daytime running lights that make the front end stand out. The lights are both stylish and practical, helping the car stay visible during the day.
Ventilated Hood Outlets
Special hood vents have been added to help with cooling and airflow. These vents allow hot air to escape, which helps keep the engine bay cooler. This not only supports better performance but also gives the front of the car a more aggressive appearance.
Custom Windshield Strip
A unique sun strip is applied across the windshield. This stripe cuts down on glare from the sun and adds to the car’s signature look. The windshield strip is a simple touch that makes a big difference in both style and comfort.
Rear Upgrades
Trunk Panel Replacement
The car now features a custom rear trunk panel designed by RTR. This piece improves the appearance of the back and fits perfectly with the overall design of the vehicle.
Rear Spoiler Add-On
A new gurney-style spoiler has been fitted to the trunk. This addition gives the car a sportier look and helps with rear-end stability at higher speeds.
Signature Decals and Emblems Set
Distinctive RTR graphics and unique badges have been applied to the rear of the vehicle. These touches help the car stand out and mark it as a genuine build.
Quick Reference Table
| Upgrade Component | Purpose |
|---|---|
| Trunk Panel Replacement | Enhances rear aesthetics |
| Rear Spoiler Add-On | Boosts sporty looks and stability |
| Signature Decals and Emblems | Identifies and distinguishes the car |
Changes Made to the Outside
20-Inch A5-Style Wheels
The car features 20-inch wheels designed for the RTR spec. They have a custom look that sets the vehicle apart. These wheels are lightweight, which helps with both style and performance.
| Feature | Details |
|---|---|
| Wheel Size | 20 inches |
| Finish | RTR A5 design |
| Material | Alloy |
Michelin Pilot Sport 4S Performance Tires
These wheels are matched with Michelin Pilot Sport 4S tires. The tires are well-known for strong grip and handling. This setup helps the car stay steady and responsive on the road.
- Brand: Michelin
- Model: Pilot Sport 4S
- Key Benefit: Improved traction and cornering
RTR Sport Lowering Springs
The RTR tactical lowering springs drop the car closer to the ground. This gives it a more aggressive appearance and helps lower the center of gravity. The springs also provide a firmer ride and better stability at higher speeds.
- Lowered stance for a sporty look
- Enhanced handling and control
- RTR-specific tuning
Interior Highlights
Custom Shift Lever
The car features a special gear knob designed by RTR. This piece is built for comfort and style, giving drivers a unique feel every time they change gears.
Branded Floor Liners
Inside, there are floor mats with the RTR logo stitched in. These mats are both practical and stylish, helping keep the interior clean while showing off the car’s brand.
Unique Dashboard Nameplate
A numbered RTR badge is fixed on the dashboard. This plate shows the car’s official status in the RTR series, adding a sense of exclusivity to the interior.
Authenticity and Availability
Every RTR Spec One build is fitted with exclusive parts and details, ensuring it stands out from typical models. Each vehicle includes items such as the RTR upper and lower grilles, distinctive daytime running lights, unique bonnet vents, and the RTR sun strip. The rear has an RTR deck lid and a custom gurney flap, complemented by the RTR badge kit and signature graphics.
On the inside, features like the RTR shift knob, embroidered floor mats, and a serialized dash plaque mark it as a genuine RTR creation. All exterior styling is completed with 20-inch RTR wheels and high-performance tires, paired with lowering springs for improved stance.
Availability:
- Only one company in the UK is approved to build RTR Spec One cars.
- Each car receives a unique serial number, confirming its official status.
- Interested buyers need to contact this authorized company directly to get an authentic, serialized RTR.
Final Thoughts
The S550 has received upgrades to both its exterior and interior. The front end features an RTR upper and lower grill with daytime running lights, bonnet extractor vents, and a sun strip. At the rear, there is an RTR deck lid, gurn flap, and signature graphics with a badge kit. The build also stands out with 20-inch RTR A5 wheels wrapped in Michelin Pilot Sport 4S tires and is lowered on tactical performance springs.
Inside, the car is finished with an RTR shift knob, floor mats with RTR embroidery, and a serialized dash plaque.
Key Features:
| Area | Enhancement |
|---|---|
| Front | RTR grille, running lights, bonnet vents, sun strip |
| Rear | Deck lid, gurn flap, signature badge kit |
| Wheels/Suspension | 20″ RTR A5s, Michelin tires, lowering springs |
| Interior | Shift knob, floor mats, dash plaque |
They are the only company in the UK with authorization for these builds. For more information or to get a serialized RTR car, contact them directly.
