|
You dont have to weld them on but its certainly more secure and less prone to exhaust leaks. My Vibrants are collared in for easy swap back to stock when im not 'off road". Because as you will find, hfc are sold for off road use only.
__________________
Harrop Supercharger, BPM Tune, K/W Coil over kit, Stoptek BBK, Magnaflow exhaust, ear to ear grin everytime I drive... |