for 993 in Exhaust
RSR mufflers are internally modified original mufflers.
The original mufflers are opened, the internals are modified and closed again by TIG = Stainless steel welding.
This modification is done in our shop. The result is a fantastic sound that is louder and deeper than stock but not disturbing and with no resonance.
The RSR's are sold on an upgrade system where we modifiy your exhausts.
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