Shaftmasters rocks!!!!!!

I installed my new Shaftmaster direct bolt in driveshaft last night replacing a Lighting Force Pro Street one and WOW! what a difference..! I had a some vibration at 100+ and seems like very little while driving normal....

The Shaftmaster feels so much smoother. I got it up to 90 mph this morning and feels nothing like the Lighting Force... Also hats off to David at Shaftmasters for talking to me and making me feel comfortable about spending $600.00.