Ford Mustang S550 Performance Parts & Tuning Mods

Top Brands For Ford Mustang S550

For the Ford Mustang S550 there is a massive range of aftermarket performance parts available from trusted tuning brands. Below you will find leading manufacturers covering everything from suspension and exhaust upgrades to induction kits, wheels and braking hardware.

Exterior Styling Mods For Ford Mustang S550

To sharpen the look of your Ford Mustang S550, we stock a full range of exterior styling mods, from body kits, spoilers and front splitters to rear diffusers, custom grilles and more. Whether you want a subtle OEM+ vibe or a full aggressive track-inspired setup, you can really make your Mustang stand out.

Ford Mustang S550 Suspension & Handling Upgrades

For the Ford Mustang S550, the smart place to start is tyres and brakes. A set of quality performance tyres instantly sharpens steering feel and grip, especially in the wet where the factory rubber can be a bit vague. Match that with uprated pads, braided brake lines and better fluid, and you get stronger, more consistent stopping power on fast road and occasional track days without making the car awkward in traffic. Once that is sorted, look at suspension tuning. The S550 can feel a little floaty at speed and the rear can move around if you hit bumps mid corner. Lowering springs or a well matched coilover kit tighten body control and reduce roll, while adjustable dampers let you dial in comfort versus agility. Add uprated anti roll bars, a front strut brace and fresh performance bushes to make the chassis more precise, so the Mustang feels more planted, predictable and fun through bends.

Frequently Asked Questions for the Ford Mustang S550

What are the best first performance mods for a Ford Mustang S550?

For most Mustang S550 owners, the ideal first upgrades are an intake, a cat-back exhaust system and a proper ECU remap or tuning package. Together they help the V8 or EcoBoost breathe better, sharpen throttle response and unlock a bit of extra horsepower and torque without pushing things too far.

It is also worth looking at a decent set of lowering springs or coilovers plus uprated anti roll bars. The S550 responds really well to chassis tuning, so balancing power mods with handling upgrades gives a car that is faster and more confidence inspiring on both road and track.

How much power can I safely get from a stock Mustang S550 engine?

On a stock 5.0 Coyote V8, a sensible intake, exhaust and ECU map can deliver noticeable gains while keeping everything within the engine’s comfort zone. You are mainly improving efficiency and drivability rather than chasing headline dyno numbers.

The EcoBoost models can see stronger percentage gains from a turbo remap, intake and intercooler upgrade, but you should stay realistic and keep to proven tuning stages. Once you start adding bigger turbos or going for serious track use, supporting mods like a stronger clutch, cooling upgrades and better brakes become essential.

Will tuning or remapping my Mustang S550 affect reliability?

A well developed, conservative remap from a reputable tuner is unlikely to harm reliability, especially when paired with quality hardware like intercoolers, intakes and exhaust systems that keep intake temps and back pressure under control. Problems usually come from cheap parts, aggressive maps and poor installation.

Stick to regular servicing with good quality oil, monitor fluid levels and avoid repeated flat out runs on a hot engine. If you drive the car sensibly off track and keep on top of maintenance, a mild to medium level of tuning should not turn the Mustang S550 into a headache.

What wheel and tyre sizes work best on a Mustang S550 for road and track?

The S550 takes a range of wheel and tyre setups, but a popular choice is 19 or 20 inch rims with a slightly wider tyre than stock for extra grip. Many owners run a staggered setup, with wider alloys on the rear to help put the power down, especially on the V8 GT.

For track days and fast road use, focus on proper tyre selection rather than just bigger wheels. Lightweight performance wheels, sensible offsets and quality rubber will usually give better lap times and steering feel than simply going for the largest diameter alloys that will fit under the arches.

Do I need to upgrade the brakes on my Ford Mustang S550 when I increase power?

If you fit a remap, intake and exhaust and you enjoy spirited driving, uprated pads and performance brake fluid are strongly recommended. They resist fade far better than the factory setup during hard use and are relatively affordable supporting mods.

For regular track use or higher power builds, a big brake kit with larger discs and multi piston calipers is a very worthwhile upgrade. Better brakes are not just about outright stopping power, they give more consistent pedal feel and confidence when pushing the car hard.

Is a cat-back exhaust enough, or do I need a full system on the Mustang S550?

A cat-back exhaust is a great starting point, giving improved sound, a small performance benefit and lower back pressure without touching the factory catalytic converters. It works very well with an intake and ECU tune for a balanced stage 1 style package.

A full turbo back or manifold and sports cat setup can unlock more performance, particularly on turbocharged EcoBoost models, but it is a bigger investment and may have implications for MOT compliance and noise limits. Decide how far you want to go with your build and choose the exhaust system that matches your goals and budget.

How much does it typically cost to tune a Ford Mustang S550?

Costs vary depending on how far you go. A basic stage 1 style package with an intake, cat-back exhaust and remap is usually in the hundreds rather than thousands of pounds, especially if you fit the bolt on parts yourself and just pay for the ECU tuning.

Once you add coilovers, big brake kits, forged wheels or forced induction upgrades, you can easily move into several thousand pounds of spend. It is often best to plan your Mustang S550 mods in stages, starting with simple upgrades that improve the car across the board before chasing maximum horsepower.

Do I need any supporting mods before fitting a supercharger or big turbo to my Mustang S550?

Yes, serious power upgrades like a supercharger kit on the 5.0 or a larger turbo on the EcoBoost need proper supporting mods. At a minimum you should consider uprated cooling, fuelling, a stronger clutch or torque converter and a brake upgrade, plus high quality engine oil and more frequent servicing.

Chassis and drivetrain tuning is just as important as raw power. Investing in suspension, differential bushings and quality tyres will help you actually use the extra horsepower, making your high power Mustang S550 faster, safer and more enjoyable to drive.

Final Thoughts On The Ford Mustang S550

The Ford Mustang S550 gives you a proper muscle car feel straight out of the box, big presence, strong engines and that unmistakable V8 soundtrack. It is a great platform for tuning, with loads of proven upgrades that wake it up without ruining day to day driving. Stock cars can feel a bit soft and floaty on UK roads, and the brakes and clutch are only just about up to the job once you start adding serious power. That is why most enthusiasts start with the basics, intake, exhaust, a sensible remap and supporting hardware to sharpen the response without stressing the car. Sort the chassis and the S550 really comes alive. Quality coilovers or matched springs and dampers, uprated anti roll bars and decent alignment settings transform the steering feel and stability. Better pads, discs and braided brake lines give you more confidence on fast road runs or the odd track day. You can also tidy up the weak points like stock heat management with uprated radiators, intercoolers and cooling hardware, which helps keep power consistent and protects the engine when you push on. On the styling side the Mustang responds brilliantly to subtle tweaks, a set of lightweight alloys, a lower ride height, maybe a splitter and spoiler to clean up the stance. Combine that with well chosen performance parts and you end up with an S550 that is quicker, sharper and more engaging, while still happy to slog through the commute or a long motorway run. Look at the Ford Mustang S550 as a solid base that rewards smart, balanced mods rather than chasing headline numbers. Build it around how you actually drive, and you will have a car that feels properly yours every time you turn the key.