Going nuclear. Dear ATVC: In February I purchased a brand new straight out of the create 2021 Kymco MXU 700I Euro. I jumped on it one afternoon and blasted down my street and back and my buddy did the same as he wanted to see how it ran. I heard and saw something quite disturbing […] More »
By: Jason Giacchino | July 11, 2021
Wouldn’t flipping the cylinder around and running a straight pipe be best? Dear ATVC: Can somebody help me understand something about exhaust systems? I have noticed performance pipes seem to have all sorts of twists and bends in them lately. Wouldn’t this be worse for performance? Am I wrong in thinking the best boost would […] More »
By: Jason Giacchino | December 13, 2020
The quintet. Dear ATVC: I just picked up a Yamaha Raptor 660 and it’s the first Yamaha I’ve ever owned. I am really surprised to hear they ran 5-valve heads. Why not the standard 4? It seems like nothing but more complexity. Even though four valves is the commonly accepted norm (two intake and two […] More »
By: Jason Giacchino | September 14, 2020
Weird tech. Dear ATVC: This outlet on this 110cc exhaust system isn’t connected to anything. Does anyone know what it goes to? When it comes to Chinese ATVs, there are countless “innovations” that bear no name, no parts reference and defy all sense of logic. For a short time some minis were coming equipped with […] More »
By: Jason Giacchino | March 29, 2020
Hanging around. Dear ATVC: I have a Coolster 3150cxc and can’t find a replacement muffler clamp anywhere online. Please help. The good news is you don’t a Coolster specific part. Your 150cc machine shares dimension specs with any off-brand 125/150 on the market. These are as follows: The specific part you need is available brand […] More »
By: Jason Giacchino | March 23, 2020
HMF releases exhaust solutions for the Honda Talon. The HMF exhausts for the Honda Talon 1000 R/X are available as a Dual Full System in the Performance and Titan series and a Slip-On in the Titan series. All available HMF exhausts take advantage of HMF’s superior engineering to produce unmatched durability, sound, power and torque. […] More »
By: Jason Giacchino | October 1, 2019
It’s certainly one of a kind. When it comes to custom exhaust systems on our ATVs, usually thoughts of high chrome finishes or pricey carbon fiber bits come to mind. That’s not the case for this guy! A Ford Ranger muffler, a welder and some free time all add up to what he says is […] More »
By: Jason Giacchino | June 19, 2019
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