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User-friendly Fmf Racing - 2001 -2004 Honda Xr/crf70 Powercore 4 Muffler/header Save 95% Now [TUkzhVKJ]

$55.99 $179.99 -69%

FMF Racing Honda XR/CRF70 Powercore 4 Muffler/HeaderThe FMF Racing Mini Powercore 4 is the ultimate performance upgrade for your mini bike, delivering incredible power and performance at an affordable price. Whether you're riding closed course or loo

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FMF Racing Honda XR/CRF70 Powercore 4 Muffler/Header


The FMF Racing Mini Powercore 4 is the ultimate performance upgrade for your mini bike, delivering incredible power and performance at an affordable price. Whether you're riding closed course or looking for a spark arrestor version, the Mini Powercore 4 guarantees improved throttle response and gains across the powerband. With its Hi-Flo stainless steel core, formed end caps, and aircraft-grade aluminum canister, this exhaust system is designed for maximum efficiency and durability.

Lightweight and durable, the Mini Powercore 4 is pounds lighter than the stock exhaust, making it the perfect choice for riders who want enhanced performance without the added weight. The first twist of the throttle will have you feeling like the motor has been bored and stroked, delivering smooth, responsive power you can rely on.

Key Features:

  • Hi-Flo Core and End Cap – Maximum flow for increased power
  • Lighter than stock – Pounds lighter for improved performance
  • Durable stainless steel header – Long-lasting construction
  • Aircraft-grade aluminum canister – Lightweight and strong
  • Closed Course Use Only – Designed for closed course use (Spark Arrestor version available)
  • Increased throttle response – Immediate power gains with every twist

Item Details:

  • Item ID: 041016
  • Type: System
  • Carb Warning: No
  • Header Construction: Stainless Steel
  • Header Type: Hi-Flo
  • Weight: 2.8 lbs.
Year Make Model Submodel
2004 Honda CRF70F Base
2001-2003 Honda XR70R Base

What Our Customers Say

January 3, 2026

Absolutely no complaints!

A brilliant take on a truly simple idea.

- Cuthbert X..

January 3, 2026

Absolutely no complaints!

This is a very good and a very, very, very smart purchase.

- Manawydan J..

January 3, 2026

Absolutely no complaints!

It’s a very solid and a very, very, very reliable gadget.

- Beli L..

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