Links to the parts tested in my video:
- IPD plenum – shorturl.at/htFPV
- K&N panel filter – shorturl.at/nsEOX
- Helmholtz resonator bypass – shorturl.at/sPV79

Over 60,000 Porsche car parts available from the 9WERKS Shop: https://9werks.co.uk/shop

With thanks to Mike at Harding Auto Services: https://www.hardingautos.co.uk/

I've always shied away from engine upgrades on my Porsche 996.1 due to the reputation of the M96 engine… I've figured they are best left alone! However, allowing the flat six engine to breathe a little better is a route many owners have gone down – so is it worth it?

To find out, I tested the effectiveness of the popular IPD plenum and K&N panel filter on a rolling road, with before and after readouts to see IF the mods gave more power, and if so, how much! Your definitive answer to this perennial question is here.

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