GFB BOV Trumpet Extremely Loud BOV Horn ELANTRA N Removing the secondary catalytic converter

Removing the secondary catalytic converter on our cars is known to make about 10WHP and carry power to redline much better than OEM cat

when Xforce USA did not even know the product fits

Utilizing a 6 split-spoke design that disperses stresses efficiently allows us to keep the spokes as thin as possible and make cuts in them on the fronts and sides to shave weight even further

yet still an efficient OCC that will collect oil/fuel effectively

As a benefit

GFB BOV Trumpet Extremely Loud BOV Horn ELANTRA N Removing the secondary catalytic converterIn Stock This will turn your GFB BOV or GFB Bypass Valve into a VERY loud BOV! THIS IS THE LOUDEST BOV YOU CAN FIND WITH THIS HORN. THIS HORN IS BEYOND EXTREMELY LOUD. Whistling TrumpetYou asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is. The ability to change the sound of a blow off valve is increasingly becoming an important issue with buyers, who want to sound different from