jim hecker 
2006 Toyota Tacoma Access Cab V6 4dr Access Cab 4WD SB (4.0L 6cyl 5A)
2006 tacoma
 Performance is great, but has vibration and harmonic hum starting at about 54 mph. Has been there since new, havent taken back to dealer yet. Also, 2 of the wheel center caps will not fit straight, are crooked. These are the only problems so far. 