"Item looks very nice only the sound is almost completly gone. With about 27psi on the meter you hear a light wind like sound, with normal trottle you hear nothing.
But it's an eye catcher under the hood."
8
Manny Akim
"These inserts take away the high pitched sound that the normal SSBOV stock insert makes. I can still hear some whistling but it's not as bad as the stocker. All in all, great product."
HKS Triple Fin SSQV Blow Off Valve Inserts And Horn Reviews at HorsepowerFreaks