Frequently asked questions.

Microsoft Flight Simulator 2024 only. The Turbine Sound Enhancement Mod and Haptic Bass Shaker Mod were built and tested against MSFS 2024. MSFS 2020 is not supported.

Yes, both editions are supported. The installer auto-detects the Community folder for MS Store and Steam.

Note for Steam users: On some Steam installations the package load order needs to be adjusted inside MSFS so the FWX audio takes priority. From v1.42 onward the installer shows an explicit dialog about this step, so you can't miss it.

No. The Enhancement Mod is compatible with the free Nemeth Design EC135 that ships with MSFS 2024, so you already have it.

Important: The mod is not compatible with the paid HPG H135 or HPG H145 from Hype Performance Group. Please make sure you are flying the free Nemeth Design EC135 before purchasing.

The Haptic Bass Shaker Mod works standalone and is compatible with any 4-blade rotor helicopter in MSFS 2024, not just the EC135.

The Turbine Sound Enhancement Mod works with any audio setup: headphones, speakers, or transducers. It's explicitly built to be ButtKicker-safe, meaning no unwanted bass rumble inside the cockpit audio.

The Haptic Bass Shaker Mod is designed for ButtKickers, bass shakers, or any haptic transducer. It sends dedicated rotor-pulse signals so you feel the blade rhythm physically in your chair. Without a haptic device the Haptic Engine has no effect, so get the Turbine Sound Enhancement Mod only in that case.

Double-click the installer (.exe) you downloaded after purchase. No ZIP, no extraction. When the installer opens, choose Install. It detects your MSFS 2024 Community folder automatically. Click through the dialogs, confirm the package reorder instructions if prompted, and you're done.

Full step-by-step guide with screenshots: Installation Guide.

Run the same installer (.exe) you used to install. It doubles as an uninstaller. When it opens, choose Uninstall instead of Install. The Community folder entries for the Turbine Sound Enhancement Mod are removed cleanly, the default EC135 sounds come back, and the Haptic Bass Shaker Mod program is removed from your system. Each installer handles its own product; if you have the Bundle, use the Bundle installer to remove both in one go.

Windows-only. MSFS 2024 is a Windows title for PC and Xbox, and the installer + Haptic Engine require Windows. Xbox cannot install third-party Community addons at all, so this is fundamentally a PC product.

Payment runs through Stripe (card, PayPal, Apple Pay, Google Pay, Link, Amazon Pay). After a successful payment you are redirected to a success page and receive an email with a download link. The download can be used up to three times from our download page using your email and order number.

Yes, every version upgrade is free for existing customers. We notify you by email as soon as a new version is available, and your original Stripe download link always delivers the latest build. You can also see what is new on the changelog.

30-day technical refund. If the product does not work on your setup or does not match the demo, email [email protected] within 30 days with your order number. We will investigate and issue a full refund for confirmed technical issues. Refunds are processed manually to ensure fair handling.

Formally, German law removes the statutory right of withdrawal for digital content once the download link is provided. Our technical refund policy is a voluntary goodwill measure in addition to that. We honour it for confirmed technical issues, and refunds are processed manually to ensure fair handling.

Because SimMarket is an established marketplace that publishes quality flight-sim add-ons, and we are proud to be listed there with other respected developers. You get the same product with the same updates. SimMarket adds their marketplace markup, so the direct price on our own site is lower. Buy wherever you feel most comfortable; promotional discounts are only available here.

Email: [email protected]

I read and reply to every message. Response time is usually under 24 hours (German timezone).

Yes. The FWX EC135 Sound Enhancement Pack (v1.52) works with both the Steam and Microsoft Store editions of Microsoft Flight Simulator 2024. The installer is a single .exe that automatically detects the correct Community folder for whichever edition you run, so you never have to locate any path by hand. On some Steam installations the package load order must be set inside MSFS so the FWX audio takes priority over the default EC135 sounds; from version 1.42 onward the installer shows an explicit dialog about this one-time step, so it cannot be missed. The Sound Pack enhances the free Nemeth Design EC135 (Local Legend 21) that ships with MSFS 2024, and it runs on Windows 10 and Windows 11. It does not run on Xbox, because Xbox cannot install third-party Community add-ons. If you later move between the Steam and Microsoft Store editions, run the installer again and it re-detects whichever Community folder is active.

The FWX Rotor Haptic Engine (v1.53) works with any haptic hardware that Windows sees as an audio output device. That includes ButtKicker units such as the Gamer, Mini and LFE models, generic bass shakers and tactile transducers, and even a spare pair of speakers repurposed as transducers. The engine sends dedicated four-blade rotor pulses in sync with the helicopter, and a device dropdown in its small interface lets you choose exactly which output the pulses are routed to, so your headphones or main speakers stay untouched. It starts automatically when MSFS 2024 launches. A haptic device is required for it to have any effect; with no transducer connected there is nothing to feel. The Haptic Engine works with any four-blade rotor helicopter in MSFS 2024, not only the EC135. Because each output is selected separately, the cockpit turbine audio can stay on your headset while the rotor pulses are sent only to the shaker.

After purchase you download a single installer (.exe); there is no ZIP to extract. Double-click it and choose Install, and it automatically finds your Microsoft Flight Simulator 2024 Community folder for both the Microsoft Store and Steam editions, so you do not have to navigate there yourself. Click through the dialogs, confirm the package reorder instructions if prompted so the FWX audio takes priority, and the enhancement is active the next time you load the Nemeth Design EC135. To remove it later, run the same .exe and choose Uninstall instead of Install; the default EC135 sounds return cleanly. A full step-by-step guide with screenshots is available on the Installation Guide page, and support is one email away at [email protected] if anything looks different on your system. Because everything installs through the standard Community-folder mechanism, it sits alongside your other MSFS add-ons and does not modify the simulator's own files.

The standalone FWX EC135 Sound Enhancement Pack (EUR 7.99, v1.52) replaces the EC135's in-game audio with custom turbine recordings: 13 active engine layers plus 20 ambient sounds for both cockpit and exterior views. It works with any audio setup and needs no extra hardware. The FWX Rotor Haptic Engine (EUR 3.99, v1.53) is a separate program that drives ButtKickers and bass shakers with real four-blade rotor pulses, so you physically feel the rotor in your seat; it needs a haptic device to do anything. The FWX EC135 Bundle (EUR 10.99) combines both products in one purchase at a lower combined price, with separate uninstall buttons so you can remove either part on its own. Choose the Sound Pack alone for better audio only; choose the Bundle if you also own a bass shaker and want synchronized rotor haptics.

All FWX Aviation products, the EC135 Sound Enhancement Pack (v1.52), the Rotor Haptic Engine (v1.53) and the EC135 Bundle (v1.52), are built and tested exclusively for Microsoft Flight Simulator 2024. MSFS 2020 is not supported, because the products target the MSFS 2024 audio system and the Nemeth Design EC135 (Local Legend 21) that released for MSFS 2024 in August 2025. Both the Microsoft Store and the Steam edition of MSFS 2024 are supported, and the installer auto-detects the correct Community folder for each. The products run on Windows 10 and Windows 11 only; they do not run on Mac or Xbox, since Xbox cannot install third-party Community add-ons and the Haptic Engine requires Windows. Every future version upgrade is free for existing customers and arrives through the same download link you received at purchase.