The Triumph TF450-RC Edition is the newest 450 motocross machine, but I have had A LOT of time on this bike in stock form and with some mods done like this FMF 4.1 muffler system. In stock form the TF450-RC Edition has a smooth low end power with a wide mid to top end but…
Exhaust
There is something about a crisp sounding two stroke. I am not a huge two-stroke rider but to me the best thing about a two-stroke is that crisp/over-rev sound that happens right before you land from a jump! That gets me going! But what about going to an aftermarket pipe/silencer? Does it make the bike…
Kawasaki has an all new KX250 and Pro Circuit just recently came out with their latest Ti-6 version for the new green machine. With airbox changes to the 2025 version as well as a different cylinder head, this forced Pro Circuit to come up with a new headpipe and muffler. We have put time on…
The Triumph TF250-X is the newest 250 motocross machine so that means we haven’t had a lot of time with aftermarket mufflers yet until now. In stock form the TF250-X has a smooth low end power with a wide mid to top end but maybe lacks a little bit of excitement on low end (with…
I originally posted a photo of a KTM 250 SX-F FMF Megabomb headpipe mated to a KTM 350 SX-F 4.1 FMF muffler and my DM’s flooded with questions. Why does it do? Why stick the 250 headpipe on the 350? Normally when you purchase an aftermarket muffler system you usually get a smoother roll…
Written By: Eddie Laret/Kris Keefer
We all know Kawasaki left a lot of room for improvement on the muffler side of things on the 2024 Kawasaki KX450. We have tried a number of mufflers to help increase the low end torque and have been happy with a couple. The latest muffler we tested was…
The Akrapovic Evolution muffler system is one of the most beautiful looking systems out there in the market today, is well built, and has quality welds all the way around it. The change of shape (from other aftermarket mufflers) in the Evolution muffler might take some getting used to but to me, it is one…