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Replacement exhaust catalytic converter for Porsche 996 ❭ 99611302
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Not suitable for cars with stricter emissions M661

We recommend you change cats in a pair. For cars with only 2 lambda sensors like the Porsche Carrera 996 3.4L models please also buy Code: FITTINGKIT16
PORSCHE 996 Carrera 3.4L Replacement Cats made in grade 409 stainless steel.
Fits:
Porsche Carrera 3.4L
Our cat is made up of the following components:
- Ceramic monolith of a honeycomb design to allow free air flow and maximum surface area, coated with precious metals to enable the conversion of gasses that pass through it
- Interam matting to hold the monolith in place. The matting expands when exposed to heat to supply the pressure needed to keep the monolith secure
- A grade 409 stainless steel can (or housing) to provide protection and enable the cat to be built into the exhaust system. 409 grade can contain upto 90% iron and will be prone to rust. It still has higher rust-resistant properties than mild steel.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611302
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