I just got an estimate of $300 to install a ravin exhaust and material on my 89 formula, not including tips. They said they could install the Hooker cat back for around $75 unless alterations are needed, which probably will be needed. But anyways, which do you think i should go with? Also which model of the Hooker should i go for? $200, or $260? I just need an opinion on which of these I should go for, or which do you think is better, thanks for your responses!