stainless steel

Hi there i have a 1991 lc80 with 1HD-T and have been trying to find a supplier for 3" downpipe/dump-pipe/turbo elbow to build my exhaust from, i would prefer stainless steel. 2nd question is what kind of sensors are you guys using for afr reading, and what location do you think is ideal? Also a...

Got a group 31 battery that is mislabeled as having automotive posts but in fact it has 3/8 stainless terminals. My truck has OEM terminals, for automotive posts and I do not plan to change that, but only replace them with Slee billed terminals. For the experts here what is better: 1. stainless...