[Irace86.2.0]

Originally Posted by SugarBrz

As I wrote before it, me and a close friend had the same damages to our cars. In both cases the mechanic told us that the JDL Catalyzer was the cause. There’s a reason why they limited the warranty for track use and sc engines to only 90 days.

And both cars where using the HKS drop in airfilter, I think the damage was so big because of the combination of the catalyzer malfunction, low quality and the forced induction.

You see similar damages to Diesel engines when particle filter is blocked, the higher pressure causes often an turbo damage which often damages the engine when it’s late recognized.

Also both HKS SC Kits worked fine with ft86speedfactory catted UEL header. The engine of my friend was a fully build HKS 2.1 stroker engine and both supercharger kit have been installed by a professional company, so it was not an dyi.

Who tuned the car?