Tag: exhaust

The only way to be sure. Dear ATVC: Just bought a brand new 2022 king quad 750. Already got a snorkel kit and radiator relocate on the way. Now something I’m not so familiar with is the exhaust and what the best setup is to keep it running and idling under water. The stock muffler […] More »

Chopper tech arrives to our UTVs. Remember a few years back when ever time you turned on the TV you were greeted by a custom chopper reality show? And powering these pricey one-offs was almost always a big fat S&S Cycle V-Twin? Well it turns out, S&S Cycle has been eyeing up our industry with […] More »

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 »

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 »

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 »

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 »

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 »