Bobby Knauber compared KKM (gauze) and Monster Flow (foam) side by side on his SE V6. KKM was 2-3 HP better from 4000-redline. Dynos posted somewhere. High flow SVT heads /intake, bigger throttle body, etc. may allow greater gains on SVT.


1999 Amazon Green SVT Contour (#554/2760)
Stock SVT Duratec V6 with:
Intake- K&N filter/75mm MAF meter
Exhaust- MSDS Y-pipe/Bassani catback
Durability-Ford "dual mode" damper, Mobil 1/K&N oil filter
179.2 FWHP at 6900 RPM