If you’re eyeing a MagnaFlow exhaust, you probably love the sound and the extra power. Before you bolt it on, make sure it’s legal on public roads and that you understand how it will affect your ride. This guide gives you the quick facts, no fluff.
Australian law only allows exhausts that meet the Australian Design Rules (ADRs). The key rule is ADR 73/02 – it limits noise levels to 95 dB measured at 7.5 m. Most stock MagnaFlow units are tuned for track use, so they can exceed that limit.
To stay street legal, you need a MagnaFlow that’s been certified for Australia. Look for a compliance plate or a certificate of conformity from the manufacturer. If the exhaust isn’t certified, you’ll face a fine at the next inspection.
Another common pitfall is emissions. While MagnaFlow doesn’t change engine output, a badly designed pipe can affect back‑pressure and raise CO levels. Make sure the exhaust includes a catalytic converter if your vehicle is required to have one.
MagnaFlow is known for smoother flow, which can add 5‑10 hp and improve throttle response. The stainless‑steel construction resists rust, so the finish stays shiny for years.
Installation is usually a bolt‑on job, but double‑check the fitment for your specific model. Some cars need new hangers or a custom heat‑shield. If you’re not comfortable with the clamp‑tightening torque, a quick visit to a reputable shop will save you headaches.
After fitting, do a short test drive and listen for rattles. A secure fit means no extra vibration and consistent sound. If the exhaust sounds louder than expected, you might have an illegal pipe – go back to the dealer and ask for a street‑legal version.
Maintenance is simple: rinse the pipe with water after a wash and avoid harsh chemicals that can stain the stainless steel. A light polish once a year keeps the shine and helps spot any cracks early.
Bottom line: MagnaFlow can give your car a stronger tone and a modest power boost, but you must pick a version that meets Australian ADRs. Check the compliance paperwork, ensure the pipe fits, and you’ll enjoy the upgrade without getting pulled over.
Choosing between Magnaflow and Flowmaster can be tricky for car enthusiasts. Both brands have their strengths, with Magnaflow known for its mellow, refined sound and Flowmaster often praised for its aggressive tone. This article sheds light on their differences, including sound quality, performance, and durability, to help you decide which exhaust might be perfect for your ride. Whether you're after a calm drive or a powerful roar, understanding these exhaust systems will guide your choice.