If you have a solid tranny, go for it. I put one on my '93 GMC Sonoma 4x4, lifted with 32" Mud Terrains, and when switched to position 2, it would bark them going into second. It works very well, and is adjustable. Stock/Stage I/Stage II. Stage I, slightly firmer shifts, stage II will hit hard, and definitely chirp them in a Camaro.
Other people have told me that it would mess up my trany. And others have said go for it. but Im not sure that its worth it if there is a chance it will mess up my tranny. any other people have good stuff to say about B&M shifter plus?