KTM FMF Gnarly Expansion Chamber A44005907002 | KTM Direct

FMF Gnarly Expansion Chamber A44005907002

£307.00 In Stock Coming soon

Coming soon

CODE: A44005907002




  • Description
  • FITS
  • Shipping and Refund

Looking to ramp up your off-road performance? Look no further than the FMF Gnarly Expansion Chamber A44005907002. Crafted from extra-strong sheet steel and boasting a nickel-plated surface, this expansion chamber is built to endure the toughest trails with ease.

Designed to deliver a full-throttle sound and maximize power delivery, the FMF Gnarly Expansion Chamber ensures you get the most out of your ride. Its precision engineering enhances exhaust flow, optimizing your bike's performance for unparalleled off-road adventures.

But that's not all - when paired with an FMF silencer, the combination unlocks a whole new level of power and performance. Experience smoother acceleration, increased torque, and enhanced throttle response like never before.

Whether you're tearing up the track or conquering rugged terrain, the FMF Gnarly Expansion Chamber is your ultimate ally. Its durable construction and superior design make it a must-have for serious riders seeking top-notch performance.

Don't settle for mediocre - unleash the full potential of your bike with the FMF Gnarly Expansion Chamber. Elevate your riding experience and dominate every trail with confidence. Gear up for greatness and take your off-road adventures to the next level.

  • Extra strong sheet steel
  • Nickel-plated surface
  • Full sound
  • Better power delivery
  • Combination with FMF silencer recommended

This expansion chamber will fit on the following KTM motorcycle models:

  • 250 EXC 2024
  • 250 EXC Six Days 2024
  • 250 SX 2023-2024
  • 250 SX 2025 2025
  • 250 XC 2023-2024
  • 250 XC 2025 2025
  • 250 XC-W 2024
  • 300 EXC 2024
  • 300 EXC Hardenduro 2024
  • 300 EXC Six Days 2024
  • 300 SX 2023-2024
  • 300 SX 2025 2025
  • 300 XC 2023-2024
  • 300 XC 2025 2025
  • 300 XC-W 2024
  • 300 XC-W Hardenduro 2024

Shipping Information


UK Shipping on orders over £50 (3-5 days delivery): FREE*

UK Shipping on orders under £50 (3-5 days delivery): £3.95

UK Express Delivery (1-3 days delivery): £6.95

Please note that the delivery times above are from the point of dispatch. Whilst many products are available for immediate dispatch, some items have longer lead times as stated on the product page. Be sure to check the expected availability times before ordering.


Custom Charges

If you are ordering goods for delivery outside the UK, please note that your consignment may be subject to import duties and taxes, which are levied once the goods reach the country of destination. Any such charges levied in relation to customs clearance must be paid by you. It is accepted by you that KTM Direct has no control over additional charges in relation to customs clearance. KTM Direct recommends that you check with your local customs officials or post office for more information regarding importation taxes/duties that may be applicable to your online order. You will be the importer of record and responsible for any import VAT and duty that needs to be paid. In addition, any charges for import clearance will be paid by you, the customer. Refunds of any returned order will be of items, not the services incurred.


KTM Direct use Royal Mail for smaller items and DHL for larger items (UK Shipping only)

Royal Mail deliveries are typically sent by Royal Mail 48 so will normally arrive within a maximum of 2-3 working days. DHL deliveries are typically made the next working day, but some remote areas may require an extra day. If your item has not arrived within 5 working days on either service then please contact us by email hello@ktmdirect.co.uk

All in stock orders placed up until 9.00am are dispatched the same working day. Any in stock orders placed after 9.00am may not be dispatched until the next working day.


Returns Information

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at hello@ktmdirect.co.uk. If your return is accepted, we’ll send you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at hello@ktmdirect.co.uk.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded to your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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