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What's the best ceramic coating? Does an expensive wax really work better? At Dmitry's Garage we test detailing products to their limits so you don't waste your hard earned money. Check out our myriad of how-tos, DIYs, and video tutorials.

Beyond Detailing: We're obsessed with cars, builds, repairs, mods, and everything in-between. If you love cars, you're in good company.

We've Kept Busy While You Were Gone

034Motorsport Transmission Mount and Insert

The 034Motorsport Street Density Transmission Mount is a performance upgrade for the factory transmission mount assembly. It replaces the factory mount's soft rubber damping medium with a high durometer rubber, which provides better support at higher power levels. This mount is a direct, drop-in replacement that limits unwanted transmission movement and improves performance. 034 also offers a billet aluminum Transmission Mount Insert that can be used with the upgraded mount to further improve performance. This insert fits into the large void in the factory transmission mount, limiting transmission movement without sacrificing ride quality or increasing NVH.

2018 Audi S4 / Project Cars - 12/13/2022

Soft99 Brake Dust Cleaner Challenge

Soft99 Brake Dust Cleaner is a product that promises to remove brake dust from wheels. But does it really work? I put this cleaner to the test against the stubborn and excessive brake dust of my Audi S4. My car turns its wheels charcoal gray before it can chew through a tank of E85.

2018 Audi S4 / Detailing Cars / Project Cars - 12/10/2022

Fuel-It! Bluetooth Flex-Fuel Analyzer

I decided to convert my 2018 Audi S4 (B9) to E85 to boost performance. E85 is a high-octane fuel that can provide significant power gains in turbocharged engines. It is also very inexpensive, cheaper than 93 octane gasoline. The results of my E85 conversion have been impressive with 034 Motorsport's excellent E85 tune. My S4 has shown a big improvement in 1/4 mile runs and I'm down to just 3.46s accelerating 0-60! However, E85 ethanol content must be verified to ensure that your tune can support it. In my case I chose to use the Fuel-It! Flex Fuel analyzer paired with my iPhone.

2018 Audi S4 / Project Cars - 11/21/2022

Forge Motorsport Turbo Blanket

Your Audi S4 is fast, no doubt about it. But what if you want to make it more efficient and resist damaging, power robbing heat around your turbo? One option is to install a turbo blanket. A turbo blanket helps to prevent heat from escaping from the turbocharger hot side, while keeping the cold side colder. This leads to faster spooling of the turbo and faster access to power and greater efficiency. It can also help to prolong the life of other engine bay components by protecting them from excessive heat generated by the turbo.

2018 Audi S4 / Project Cars - 10/22/2022

Are tire coatings worth it?

If you're looking for a tire dressing that will give your rubber a long-lasting gloss, the Pinnacle Black Label Tire Clear Coat is worth trying out. This tire coating is designed to be durable and repellant to water and dust, making it an ideal option if you want to keep your tires looking clean. The product can be layered to create the desired level of shine, making it a versatile option for those who want to achieve a range of different looks. Whether you're going for a sleek and polished look or something more understated, the Pinnacle Black Label Tire Clear Coat can help you get the job done.

2018 Audi S4 / Detailing Cars / Project Cars - 10/14/2022

ECS Rear Diffuser Audi B9 S4

The ECS Tuning Rear Diffuser is the perfect way to give your Audi S4 an aggressive exterior styling upgrade. Made from your choice of black plastic or high-quality carbon fiber, the diffuser gives your car a look that is sure to turn heads. With its bold, yet factory like, design and superior performance, the ECS Tuning Rear Diffuser is the perfect way to take your Audi S4 to the next level.

2018 Audi S4 / Project Cars - 10/02/2022

Diverter Valve Failure - Audi B9 S4

Is your B9 S4, S5 or SQ5 experiencing a ton of compressor surge? It may be your recirculation valve failing. This has been a common issue across VW, Audi and related products over the years. There are always new revisions coming out and today I'm going to replace my diverter valve with a new one. I started getting horrible surging recently and traced it down to the original diverter valve which is an older revision than the most current. My car is right around 23,000 miles at the time of the video.

2018 Audi S4 / Project Cars - 08/29/2022

Pinnacle Black Label Leather & Vinyl Coating

Pinnacle Black Label Leather & Vinyl Coating is a nano-polymer interior coating that protects surfaces from moisture, oils, salt, and spills. It is safe for use on dashboards, leather seats, plastic, wood trim, carbon fiber trim, aluminum trim, and various leather/vinyl surfaces. The nano-polymers in the coating form a barrier that repels spills, making it easy to clean surfaces and keep them looking new. In addition, the nano-polymers are claimed to help prevent UV damage, fading, and cracking. Is Pinnacle Black Label Leather & Vinyl Coating an ideal way to protect your investment and keep your car looking its best?

2018 Audi S4 / Detailing Cars / Project Cars - 08/26/2022

B9 Remote Start - 12 Volt Solutions

Today we install a plug and play kit that retrofits remote start to my 2018 Audi S4. If you own one of these cars you know there is no remote start, Audi just doesn't do it. This kit from 12 Volt Solutions makes it super easy to get the feature right in your original remote. This is the second kit from this company that I've installed and I'm happy with the quality so far.

2018 Audi S4 / Project Cars - 08/19/2022

Wolfgang Uber Wheel Cleaner

Wolfgang Uber Wheel Cleaner is a powerful and safe product that quickly removes brake dust, road grime, and other contaminants from your wheels. It is a non-acid, pH-neutral cleaner that uses advanced chemistry to break down and remove contaminants. As a result, it leaves your wheels looking clean and new in just minutes. It is also safe for use on all wheel types, including painted, powder coated, anodized, billet, clear coated, and chrome. Best of all, it is fast acting and powerful enough to remove the most stubborn contaminants. So if you're looking for a wheel cleaner that is safe, fast, and effective, look no further than Wolfgang Uber Wheel Cleaner.

2018 Audi S4 / Detailing Cars / Project Cars - 08/09/2022

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