Please note: The dyno used was a Mustang Dyno with a baseline of 427whp. for a fair comparison with a dyno jet (which reads 500 whp as a baseline for S58), we are comparing the delta in percentage and not absolute value.
the Racechip GTS made +13% WHP & +17% WTQ on 91 Octane (map 7)
Here is the dyno w/ map 5 (default map)
Full install video