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Your Aussie source for great products like ...
CHM Exhausts
CYCRA Accessories
RAD Hubs & Wheelsets
MAIER Plastics
ALPINESTAR supermoto suits
Available for:
Honda
CRF450
CRF250
CRF/XR100
XR50
Yamaha
YZ/WR450
YZ/WR250
Kawasaki
KXF250
Suzuki
RMZ250
KTM
SX/EXC 450/525

Contact us for other models



American made


Supermoto & MX specific designs


All Systems under 98db


Stainless & Ti Systems available
The complete P-4R systems features our new Ovate muffler. This new design provides less noise and a more useable power band. It also features a works style head pipe, for a more forward center of gravity. Available in either stainless steel or a full titanium. Comes complete with an U.S.F.S. spark arrestor, and Db cartridges are available to help meet the 96 db rules.
Many hours of R&D time go into each system, we strived for the widest possible power gains, not just that “a little more here and a little less there” thinking that makes a bike feel like it hits harder.
Affordable Titanium Exhaust systems now available
CHM is proud to offer complete Ti-systems for 03-04 CRF 450’s and 04 CRF 250 models. Constructed from grade 2 titanium, these handcrafted exhaust systems not only look great and weigh almost nothing, but produce all the brute power CHM is known for.

The CRF 450 system features a works style forward headpipe for better weight distribution. While our 250 systems tuck in tight and produce awesome power across the entire range. More models soon to come…
Honda CRF450
Yamaha YZ450