It seems to me that tuning should be considered if you're going to add more than a CB or CAI. I am thinking this because it's not like
IF the car were to have a problem, and it's taken to the dealer, that they're not going to notice marks on the upper pulley shaft, or that it is a smaller-than-stock diameter; nor are they likely not
not notice either wrench marks on the crank balancer pulley fasteners or a larger pulley. They're going to see these clues and if the claim is drivetrain related, they will probably come to the conclusion there were modifications. I think the conclusion I'm drawing is that you might be able to get a good 30-50-horse' out of the car without tuning or major bolt-ons that a dealer will have a problem with, but that might be about it - safely...
Thanks, Ted, for the outstanding testing and attention to detail. Mucho KUDOS
We haven't heard of many problems with mod'd cars, so it seems to me it's up to us to find qualified and experienced tuners, like Jannetti, and take our cars there