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Tail pipe lambda sniffer

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Hello!

Im aware that this is not the prefered way of measuring lambda/AFR.

Looking into theese sniffers, there are many opinions on diameter, length and so on. Is there any opinion on any good snifferkits to buy?

Seems to me the Innovate is very short. Is this good enough for tuning 2000rpm and up, for reflashing stock ECUs? Or should it be longer pipe front and back of the lambda sensor

Thanks,

Fredrik

I use the Innovate tailpipe clamp. It works at everything 1500+ rpm for most cars. I do find I have to safety wire them to make sure they don't fall off.

I imagine the ones with a long tube, and a vacuum pump to draw in the exhaust (like what is supplied with DynoJet) would give more usable results at low exhaust flows.

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