Change Car Rear Silencer Mazda MX-5 Miata

Change Car Rear Silencer

Easy 0h45 ~75£
Estimated time 0h45
Estimated labour cost ~75£
Difficulty Easy
Remove/refit the silencer 0h45
Renew the silencer 0h45
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Repair the main silencer 0h30
Align the main silencer 0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 0h45
Renew the rear silencer 0h45
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h30–0h45
Difficult rear silencer removal* 0h30
Repair the main silencer* 1h30
Align the main silencer* 0h30
Repair the rear silencer* 1h30
Remove/refit the rear silencer bracket 0h30
Renew the rear silencer bracket 0h30

What is a Mazda MX-5 Miata rear silencer?

The rear silencer (also called the back box or rear muffler) reduces exhaust noise to an acceptable level. It is located at the end of the exhaust line, after the catalytic converter, particulate filter (if fitted), and sometimes an intermediate silencer.

When should you change the Mazda MX-5 Miata rear silencer?

No periodic replacement interval is specified. Carry out regular visual inspections for corrosion, holes, and deteriorated mounting rubbers. Signs that replacement is needed: louder exhaust noise, rattling from loose baffles, visible rust holes, exhaust fumes entering the cabin, or failure at the MOT/roadworthiness test.

Is it difficult to change the Mazda MX-5 Miata rear silencer?

Difficulty level 2/5: technically easy but may require effort if bolts and clamps are rusted. Key steps: raise the vehicle, apply penetrating oil to clamp bolts, remove the clamp connecting the silencer to the intermediate pipe, remove the mounting rubber hangers, fit the new silencer with new gasket/clamp, reattach mounting rubbers, check for leaks with engine running.

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View your MX-5 Miata maintenance plan (keep the MX-5 Miata token) →

2 models covered

Model Year Range Engines covered Fuel
MX-5 Miata 2005-2015 2005-2015 1.8 16V Petrol (L8), 2.0 16V Petrol (LF) Petrol
MX-5 Miata 2015-2025 2015-2025 1.5 SKYACTIV-G 131 Petrol (P5), 2.0 SKYACTIV-G 160 Petrol (PE) Petrol

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