Is that not the wastegate?
Not the chirping - which I believe is compressor surge. The snapping/popping.
The car sounds as though it's alive! Snap, chrip, pop

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Is that not the wastegate?
Yes, but what sort of times would group B be doing with modern technology?
So awesome. Best sounding car is still the Lancia Delta Integrale.
snip
6r4 <3 <3 <3