Sale

Exhaust Mufflers and Resonators

FMF

Powercore 4 Stainless Steel Muffler

$399.99 $359.99 Save $40.00

SKU: 041284

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The FMF Racing Powercore 4 is a slip-on muffler designed for race-inspired performance. It offers an overall increase in power and torque, constructed from durable stainless steel and aluminum. This muffler features an anodized champagne can and includes a removable spark arrestor. An optional quiet insert is available separately.
Show original supplier description
The FMF Powercore 4 muffler is engineered to provide race-inspired performance, enhancing both torque and horsepower across the entire power curve. This slip-on muffler is constructed from durable stainless steel for the midpipe and endcap, paired with a lightweight aluminum can finished in a champagne anodized color. Inside, advanced packing material is utilized to ensure maximum longevity and performance. This muffler comes equipped with a removable screen insert spark arrestor, making it suitable for various riding conditions. For those seeking reduced noise levels, an optional 96dB quiet insert is available for separate purchase. The Powercore 4 is specifically designed as a replacement part for the Honda CRF150R, covering model years 2007 through 2026. It's important to check local regulations regarding noise and emissions compliance. The product is described as a "QUALIFIED MANUFACTURER DECLARED 'REPLACEMENT PART'" for emissions purposes.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFMF
Part Number041284
CategoryExhaust

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy