DizzyBurb Add-on for Fiesta ST Flash Tune

**This option is recommended for catless exhaust setups only! Both oem and aftermarket cats can muffle the sound/effect of the burble, and in some cases silence it completely!** **Burbles are active from around 2,800-5,200 RPM, and can be changed upon request** **Each new DizzyBurb map requested will require another "DizzyBurb add-on" purchase** **Please read Disclaimer near bottom of page**​​ Dizzy Tuning is happy to introduce a "burble" option for your Fiesta Flash ST! Get all the racecar sounds for your Fiesta, at a fraction of the cost! This is an add-on item, so the purchase of a Fiesta Tune or Custom Tune is required. If you are already running a Dizzy Tuning calibration, then you would just need to purchase the appropriate DizzyBurb option. DizzyBurb is meant for the sound factor only. There is no performance gain/benefit from adding this feature to your calibration. Upon deceleration, your engine will unleash the sweet sounds of exhaust crackles and burbles, just like your f