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How do you know if the inlet is backwards?

Can you elaborate more one this? What do you mean poor rear end handling ?

Also, I didnt use the DRL harness. Just plug and play as is. Everything works fine.

Well got my Pros ( halogen projectors ) installed last night. Huge job imo. Took me 4 hours. With a 3-inch level hit, I had to dial the down the aim the headlight almost all the way down. The grill removal is tricky. You don't push down on the tabs, you need to shove a tiny short screw driver...

I really wanna know what LEDs will look like in the halogen projector housings Edit - ordered the halogen projectors, will throw leds and post pics.

So if im following, the DRL module is kinda pointless right? There really isn't a need for it?

I still want to know what happens if you use 87 on a 93 tune. Does it damage or just detune?

How often are software updates coming out for the JB4 ?

What happens if you put 93 octane when you have a 87 octane tune flashed?

If something goes wrong, is it easy to reflash stock firmware? How long does flash take? Sorry for the 21 questions! I havent seen a guide any where.... Whats the best tuner box to get?

whats considered the "safest" most reliable ?

As someone who wants to tune, how do you trust a tune? Thats always been my fear, driving out middle of no where and then truck goes into limp mode....

How does this work? do you have to re-flash for 93 and reflash for 87?