Also known as: Rear muffler silencer insert, Rear Muffler Insert, Silencer Baffle, Exhaust Baffle
OEM & aftermarket exhaust silencer insert from top brands — compare prices, check fitment, order with free delivery
Shop 6 exhaust silencer insert from leading manufacturers. Compare prices, check vehicle compatibility, and get free delivery on orders over £50.
An exhaust silencer insert — also called a rear muffler insert, silencer baffle, or exhaust baffle — is the internal perforated tube and acoustic packing assembly that sits inside the rear muffler canister to absorb exhaust noise. The internal packing erodes at high mileage, causing a loud drone or rasp from the exhaust, and the perforated tube can collapse, creating a partial restriction. Replacing the insert restores the original quiet exhaust note without the expense of a full rear box. CarParts247 stocks exhaust silencer inserts from Walker, Bosal, and Klarius for a broad range of European and Asian vehicles.
Insert wear is gradual and often masked by the overall rise in exhaust noise as a car ages. The change becomes noticeable when compared against a new vehicle of the same model.
A replacement insert fits inside the existing muffler canister — the outer shell does not need to be replaced if it is structurally sound and free of cracks or rust-through. Insert replacement requires cutting open the canister, removing the old internal, fitting the new insert, and re-seaming or clamping the shell closed.
If the outer canister is rusted through or has stress cracks at the inlet or outlet pipes, a full rear silencer replacement is the correct repair.
Commonly searched OE numbers fitting Exhaust Silencer Insert from the TecDoc catalogue.
