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I feel like those shifts def need to be firmed up a bit, esp. in sport mode. I'd reach out to them sooner rather than later.

No i have slightly larger tires and my offset is about 7.5mm more than stock. Someone else on here has 1.25s all the way around if memory serves me with stock 21s and reported no issues.

Ding ding that was how we did it before. Way to use your noodle!

I imagine they can probably squeeze some more power out of it via some data-logging after you install their custom tune. If i had to guess, they're probably playing it pretty safe with fueling/etc on their custom tunes.

So the rears are easy b/c the parking brakes locks them up. The fronts are a different story. I will report back once i get them installed as i cant remember how i did it on my Trailhawk. I think I may have used a metal bar through the brake rotor. Compressed air and impact guns are options as...

We'd have to wait for the big guns to chime in on that. All i've heard is that 5Star had some tranny tuning issues initially but rumors are that they've gotten them ironed out which seems corroborated by your vid/experience/opinions thus far. I'm wondering though, did 5Star have you do any data...

So I got a set of 1.25" Boras on the back. Tried them on the front just to see and there was significant rubbing so I'll need to get a much smaller spacer up front. Too bad b/c it looked sick IMO! Installed the 1.25s on the back and the back tires poke out about 0.5" now which is what I was...

Cant tell if your augmented Vroom Vroom sound is still on? Either way, it seems good but I'm no expert so I'll let the Unbrokens & LokiWolfs chime in on whether it compares to ZFG/etc

265/65R18 tires. 18x8 wheels

Mine does it on pass back window. In fact, when I bought the truck that window wouldn’t even roll down for a period of time for some reason. Now it does a nice clunk every time it goes down. Going up is silent

I have used this on my supercharged DI Chevys many times. It is a pain in the butt to inject in the throttle body while someone is keeping the engine revving but did a pretty good job keeping the intake valves cleaner than normal. Since our STs are also DI, who is using this or similar product...

About 60hp & 80+tq at the wheels per emails from 2 different 5star tuning reps on a 93 oct tune

Keep us posted on the shifting with the 92 Performance tune. Im interested to hear whether they’ve got the tranny tuning down

Yea good luck with that. He’s waiting on his lawyer...

They responded to my inquiry as well and appear to still be tuning. Same with 5-star. PBD only responded to 1 message, however. 5 star has responded to about 15 emails lol.

$1550 for factory rims/tires/TPMS without the valve caps lol

I sold mine back to the dealer i bought the ST from. Tires had about 1000 miles on em when I finally got the aftermarkets installed but dealer still bought em. Worth asking imo

i'd like to take an IAT sensor and put it in his stock airbox right at the filter and then put one inside the cone filter wherever kruppa decides to mount it and compare temps.

How'd you get so far below invoice and even X-plan pricing?

Dumb question but do stop/start cycles count as key cycles for purposes of reflashing before dealer visit?