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FMF Exhausts

Mini Powercore 4 Exhaust Silencer 08-25 Kawasaki KLX 140 F G L R - FMF 042161

Mini Powercore 4 Exhaust Silencer 08-25 Kawasaki KLX 140 F G L R - FMF 042161

Regular price £301.58 GBP
Regular price Sale price £301.58 GBP
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Taxes included. Shipping calculated at checkout.

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Delivering impressive performance gains for your mini bike, the FMF Racing Mini Powercore 4 exhaust system is engineered as a lightweight, high-flow solution designed to maximise throttle response. This slip-on muffler features a stainless steel core with formed end caps, a durable aircraft grade aluminium canister, and an internal spark arrestor for added versatility. Lighter than the original equipment, the Mini Powercore 4 provides an immediate improvement in power, giving the motor a noticeably stronger response right off idle, and is ideal for riders seeking a dependable, professional upgrade for closed course use.

Features

  • Hi-Flo stainless steel core and end cap optimises exhaust flow
  • Aircraft grade aluminium canister for maximum durability with reduced weight
  • Pounds lighter than stock, enhances bike handling and response
  • Internal spark arrestor included for improved safety
  • Designed for straightforward bolt-on installation
  • Closed course use only

Specifications

  • Item ID: 042161
  • Type: Slip-On
  • Spark Arrestor: Internal
  • Weight: 2.9 lbs (1.315 kg)
  • Carb Warning: None

Vehicle Fitment

Kawasaki

  • KLX140 (2008–2020)
  • KLX140F (2021)
  • KLX140G (2017–2020)
  • KLX140L (2008–2021)
  • KLX140R (2021–2025)
  • KLX140R F (2022–2025)
  • KLX140R L (2022–2025)

Shipping Policy

Order Processing and Delivery Schedule

Once an order is placed on our website, it enters our dispatch queue promptly.

Order Handling Time: 1 business day (Monday to Friday)

Order Cut-Off Time: 04:00 PM (GMT+00:00) Greenwich Mean Time (London)

Orders placed after the cut-off time will be processed on the next working day.

Standard Shipping Transit Time

Transit Time: 2-3 business days (Monday to Friday)

Total Shipping Time (Handling + Transit)

Estimated Delivery Window: 3-5 business days (Monday to Friday)

Shipping Carrier

We partner with trusted UK couriers such as Royal Mail, DPD, DHL, and Parcelforce. The carrier used for your order will be confirmed in your dispatch email.

Shipping Locations

We currently ship within the United Kingdom only.

Shipping Fees

We offer free shipping on all orders of £50 or above.
For orders below £50, a flat rate of £3.99 will be applied at checkout.

Please NOTE that extra shipping fees will be charged on all tyres & electric bikes due to size / weight.

All prices are charged in GBP (£).

Order Confirmation and Tracking

Once your order is placed, you will receive an order confirmation email. After dispatch, a shipping confirmation email with a tracking number and tracking link will be provided. A final notification will be sent when your order is marked as delivered.

Lost or Missing Packages

If your parcel is marked as delivered but has not arrived:

Reconfirm the delivery address

Check surrounding areas or safe delivery spots

Ask neighbours or household members

Contact the courier with your tracking details

If your parcel is officially classified as lost, please contact us with your order number. We will arrange a replacement or refund, depending on your preference.

Delivery Delays

While we aim to meet all estimated delivery times, delays may occasionally occur due to courier disruptions or high seasonal volume. If your order has not arrived within the expected timeframe, contact us for support.

Refund and Return Policy

Return Window and Eligibility

Returns are accepted within 30 days of delivery, provided the following conditions are met:

Items must be new, unused, and in their original packaging with all accessories included.

Returns are accepted for both defective and non-defective products.

Customers must contact us before sending any return to receive return approval and instructions.

Email: sales@aceraceshop.co.uk

Phone: +44 1282216785

Damaged or Defective Items

If your order arrives damaged or defective, please notify us within 48 hours of delivery with:

Your order number

Clear photographs of the item and packaging

A brief description of the issue

Depending on the situation, we will offer a replacement, exchange, or full refund.

Exchanges

We accept exchanges within 30 days, provided the returned item meets the eligibility criteria stated above. Once the returned product is received and inspected, your replacement item will be dispatched.

Refund Process

Once we receive and inspect your return, you will be notified via email regarding the approval or rejection of your refund.

If approved:

Refunds will be processed to your original payment method within 7 days.

confirmation email will be sent once the refund has been issued.

Late or Missing Refunds

If you haven’t received your refund:

Recheck your bank or payment account

Contact your bank or card provider—processing times may vary

If you still require assistance, reach us at sales@aceraceshop.co.uk

Non-Returnable Conditions

We do not accept returns under the following circumstances:

Items not returned in new condition

Returns requested after 30 days of delivery

Items sent back without prior authorization

Return Address

Ace Race Shop
Smithsons Farm Cottage
Burnley BB12 9DR
United Kingdom

Method & Fees

Return Method: By mail

Return Label: Customer is responsible for arranging and paying for return shipping

Restocking Fee: No cost

Refund Processing Time: 7 days after receipt of return

Cancellation Policy

Orders may be cancelled within 2 hours of purchase, provided the order has not yet been processed or shipped.

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