KTM450 and 525 XC HMF Sport Series Exhaust

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◄ Back	KTM450 and 525 XC HMF Sport Series Exhaust

Standard Shipping is 3-6 Days but you can request express shipping during check out.
Year, Make, and Model Collected at Checkout for 100% ORDER ACCURACY!!!

Price: $239.99

Quantity

	Choose System	Price
	Full System	$449.99
	Slip On	$239.99
	Full System Plus Color	$469.99
	Slip On + Color	$259.99

Choose Color

The HMF Sport Series has become the most popular aftermarket exhaust system in ATV racing. Featuring a 2-inch, non-restricted core, the HMF Sport Series delivers the power, torque and quality that racers demand. Match your machine with GNCC and BAJA tested powder coated exhausts and end caps for a fully customized look. And with the best muffler packing in the industry, you can spend more time riding and less time repacking.

Add the optional quiet core insert and you will go from 102~104 db to 96~98db.

-Volumized, high performance glass wool packing
-Available as slip-on and full systems. (see select models)
-Available in Brushed or Polished Aluminum and Carbon Fiber
-Stainless steel headers and inlets
-Made in the U.S.A.

HMF Jetting Specs:
KTM 450/525:
Baseline Jetting:
Main Jet: 170
Pilot Jet: 42
OBEKR Needle: 3rd
Fuel Screw: 3/4
AP squirt...3 seconds !!!! (don't wack your throttles when engine is off)

Note:
These settings are what has worked best for us on our dyno at 900ft - 60 degrees fahrenheit.

Reset fuel screw to 2.5 turns out from lightly bottomed
(Do not tighten down you may tear O ring)
Then adjust from there to the smoothest highest idle