Exhaust Systems
Why Does Muffler Rattle?
A muffler rattle usually means a loose hanger, shield, clamp, pipe contact or failed internal baffle. Use the sound pattern to decide how quickly...
Technical guides
Guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
Exhaust SystemsWhy Does Muffler Leak Water?
A muffler can drip water from normal exhaust condensation, but water from a rusty seam, hole, or with smoke, smell, overheating, or coolant loss...
Exhaust SystemsCan a Bad Exhaust Damage Your Engine?
A bad exhaust does not usually destroy an engine right away, but leaks, restrictions, fumes and loose parts can turn into bigger drivability or...
Exhaust SystemsWhat Is a Muffler on a Car?
A muffler is the exhaust-system part that reduces noise before gases leave the tailpipe. This guide explains what it does, how it differs from...
Exhaust SystemsShould I Replace My Whole Exhaust System?
Replacing the whole exhaust makes sense when rust, leaks or poor fitment are widespread. Learn when a smaller repair is enough.
Exhaust SystemsDoes an Exhaust System Void Warranty?
An aftermarket exhaust can affect warranty claims, but it does not void everything automatically. Learn what to ask before you order.
DownpipesDo O2 Sensor Spacers Really Work?
O2 sensor spacers can change how a sensor reads exhaust flow, but they are not a guaranteed fix. Learn the risks before buying.
Exhaust SystemsWhy Are Mufflers So Expensive?
Mufflers are expensive because material, fitment, internal design, hardware and labour all affect the final installed cost.
Exhaust SystemsAre Exhaust Pipes Stainless Steel?
Some exhaust pipes are stainless steel, but not all of them are. Check the material, stainless grade, weld quality, hardware and Quebec winter exposure...
Exhaust SystemsDoes an Exhaust Tip Make a Difference?
Exhaust tips mostly change appearance, not power or volume. Learn when a tip matters, when it is cosmetic and what to check before buying.
DownpipesWhat Are Catless Downpipes?
Catless downpipes remove a catalytic converter, which can affect sound, smell, codes and legality. Learn what to check before buying.
Exhaust SystemsWhat Warranty Comes With Muffler Replacement?
Muffler warranty depends on the part, installer and cause of failure. Learn what is usually covered before you book replacement.
