Trufit Exhaust Blogger

  The Straight Facts, From a Melbourne Garage Perspective If you’ve ever wondered why your car isn’t deafeningly loud, or what’s happening under the back end when you start up each morning, it’s all because of the  muffler . But what exactly does it do, and why does it matter for Aussie drivers? Let’s break it down simply, like you’d hear in a proper Melbourne  exhaust shop . The Purpose of a Muffler The muffler is a key part of your car’s  exhaust system . Its job? Take all that noisy, explosive gas from your engine and silence it, so you can cruise along without roaring down Warrigal Road. A quality  exhaust muffler  also helps control back pressure, which keeps your engine running smoother and helps with fuel efficiency. Without a good muffler, you’re not only noisy—you’re risking higher emissions and poor performance. What Happens If You Drive Without a Muffler? Driving without a muffler? You’ll notice straight away—your car will be impo...

A glimpse at the different X-Pipe, H-Pipe , and Y-Pipe exhaust system configurations has a novice scratching his head. What’s with all the form factor conventions? Does one perform better than the other? Then, aside from the shapes, there are other differences to scrutinise. Let’s check out the three pipe configurations, their unique qualities, and the reasons for the flow alterations. Exhaust Systems as Characters   There’s not a whole alphabet of welded tubes in the shop, all waiting to be bolted to a car’s underside. No, there’ll never be an A-to-Z of flow shaping pipework. But the X-Pipe , H-Pipe , and Y-Pipe aftermarket product range do have an important place in the exhaust gasses channeling field. Primarily tasked with creating distinctive flow patterns, this is a mid-pipe exhaust stream management system , one that unleashes vehicle horsepower. How do these three pipe types pull off that impressive objective? Crossover Engineered Exhaust Principles   When...

If you’re wondering about Pacemaker Headers , don’t attempt to puzzle out this term by yourself. You’ll end up visualising an electronic gizmo that’s intended for an ailing heart, and you’d definitely be on the wrong track. This is a brand name, a car enthusiast vendor that manufactures exhaust system headers . Australian built, Pacemaker pipework is built for performance, thanks to a pipe-over-cone feature that edges out the competition. A Header Refresher As you probably recall, engine headers bolt on to the exhaust manifold in your vehicle’s engine. The object of the uniquely profiled back pressure reducers is to give each cylinder its own discharge path, with the channels then blending into a single thick bore tube. When you install a header system , you’re taking the load off the cylinders by endowing them with their own outlet channel, one that then combines attractively with its peers to quickly dismiss all exhaust gases . In appearance, the pipes make your vehicle look ...

Back in the day, the earliest exhaust systems were dumb metal linkages. Sure, the welded pipes worked efficiently. They rid the engine of waste gasses well enough, but there was no emissions control in the system. Today’s exhaust pipes are smart by design. They incorporate a special oxygen monitor, an O2 sensor that monitors and controls engine emissions. It’s all about feedback, but what is this control loop altering? Fuel Mixture Oxygen sensors (O2) are typically installed in the exhaust manifold . They monitor oxygen because this is the atmospheric gas that mixes with your fuel to generate combustion. Engines are finely tuned so that the bulk of the fuel is burnt and no waste remains, but if the burn ratio is oxygen rich, well, this heavy mix will induce waste. Similarly, a lean oxygen-to-fuel mix also produces pollution. The O2 sensors detect this misbalance and send the data to your engine’s computer, which is when the check engine light starts to flash its warning. ...