Let me tell you a story. There was this absolutely stunning, classic Triumph Bonneville that I picked up a couple of years ago. Oh man, just the look of it— pure sex on two wheels. It really was a dream come true. though let's just say the exhaust note wasn't, shall we say, dreamy. It sounded more like some kind of strangulated badger that's been caught in a rusty tin can. That's when my obsession with finding the perfect Triumph exhaust began. And let me tell you, it's a rabbit hole. Seriously. So buckle up, buttercup, because we're diving in. This ain't your grandma's exhaust selection guide.
Classic Triumph Bonneville motorcycle with stock exhaust | Image: Supplied
Decoding the Exhaust Jargon: What Does it All Mean?
Let's get the tech-speak out of the way before we even THINK about choosing an exhaust. You'll hear terms like "slip-on," "full system," "baffle," "decibels," and "catalytic converter." It can be overwhelming, I know. But don't worry; I will break it down in plain English. A slip-on is like changing your shoes—it's a relatively painless swap that changes only the muffler. On the other hand, a full system replaces everything from the headers to the muffler. A baffle essentially is a silencer of sound, and decibels measure sound level. A catalytic converter is for emissions control—important for keeping our planet healthy. You will most likely need to do some homework and study up on your legal requirements. It's something I wish somebody had told me a long time ago!
Slipping into a Versus Full Exhaust Systems: The Big Question
Now for the million-dollar question: Slip-on or Full system? This is the point at which things get a little personal. Slip-ons are less expensive, easier to put on, and an excellent first step. It will provide noticeable improvement in sound and a possible slight improvement in performance. If you really want that kind of substantial power boost and the soundtrack completely customized to your liking, however, you need to go full-system. I went with a full system on my Bonneville, and even though it was more money and a bit of a more involved install, the difference it made was like night and day. That's what changed my bike for good. OK, what works best for you really depends upon what budget you're on and just how much change you desire in the setup of your vehicle. I would highly recommend rethinking your mechanical ability before trying this too!
Triumph motorcycle exhaust comparison: slip-on vs full system | Image: Supplied
Sound Matters: Finding Your Perfect Tone
The sound of your Triumph's exhaust is a deeply personal choice. Do you want a throaty rumble? A screaming banshee wail? A subtle growl? There's an exhaust out there for every taste. I'd suggest you check out YouTube videos—there are tons of them. I spent hours listening to different exhaust notes before I decided what I wanted. Oh, and keep your neighbors in mind. A really loud exhaust won't make you popular with the people living around you, and it's certainly not a recipe for keeping the peace. Find the Goldilocks zone: not too loud, not too quiet, just right. And for legal reasons, ensure that it meets the local noise bylaws, or you could be in for some stiff fines!
Triumph motorcycle exhaust sound comparison video | Image: Supplied
Beyond the Sound: Performance Gains
It's not all about noise, though. A good exhaust system can also hike your bike in performance, letting the engine run smoothly while gaining horses. But you do have to remember that any gains probably won't be that huge, especially with a slip-on system. A complete system will give you a much more significant gain, usually offering you much better throttle response and quite a lot more power across the rev range. Remember, though, that every mod is a compromise. You gain one thing, and you may lose something else, so don't expect miracles.
Graph showing horsepower gains from different Triumph motorcycle exhausts | Image: Supplied
Choosing the Right Exhaust for YOUR Triumph
Now that you have a better idea of the options, it's time to find the right exhaust for your specific model of Triumph. Different bikes have different exhaust systems, and what works for a Bonneville might not work for a Thruxton. Do your research—check out manufacturers like Arrow, SC-Project, Vance & Hines, and many more. Read reviews, compare prices, and consider your budget together with the level of sound and performance you're seeking. Most importantly, though, enjoy the process! The selection of an exhaust should be a fun and exciting time; I hope that after reading this guide, you will feel much more confident in picking out the best exhaust for your motorcycle.
Variety of Triumph motorcycle exhaust systems from different manufacturers | Image: Supplied
Installation: DIY or Professional?
The installation of a new exhaust can range from simple to quite difficult, depending on your motorcycle and the style of exhaust you are installing. Some slip-ons are simple enough to be a do-it-yourself project, but a full system usually requires a good deal more mechanical aptitude. If you're not mechanically inclined or comfortable working on your bike, I would highly recommend taking it into a professional mechanic. A botched job can create more problems than it solves, and you surely would not want to get yourself in the middle of an act that multiplies more problem solutions than prevention. It's always good practice to refer to your service manual for proper installation and complications arising.
Triumph motorcycle exhaust installation guide | Image: Supplied
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