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This thread is reviving my thoughts about going with a flex/E85 tune. So just to be clear, the S550 can utilize one of these tunes without any additional modifications? I have LTH, CAI, and currently running a Lund 93 tune. Would be nice to get a flex tune if it can run on 93 or E85 so that I...

I have the Corsa xtreme catback as well and paired mine with Texas Speed longtube headers (catted). Beware, it's very loud. Then again, that's what I wanted so I love it. I may eventually change to an H pipe to try and get the tone a bit deeper.

April 2019: July 2021:

I can't comment on X-lume from personal experience, but do recall they have a pretty big following on the Mopar side (I came from a 392 Charger). That does seem like a long time for delivery. Your car looks great by the way!

No issues with either of those functions on my end after a 1" drop (19 GT PP1 here as well). I'm no expert, but perhaps something was disconnected.

+1 I loved the MGW I had on my S197 and with the MT82 on my S550 being 10x better, I could see my next mod being a shifter.

Thanks! Car is a PP1 and only suspension component changed were the springs. Been lowered since November and ride quality is like stock - honestly couldn't tell a difference. Wheels are Ferrada FR5's 20x9/11 wrapped in 275/315 tires.

Appreciate it! Definitely understand. I waited until I needed my first new set of tires before getting new wheels.

Looks great! I also lowered mine with the same springs and felt the same way... wished the rear end had dropped a bit more. The front is perfect. The look improved when I ditched the stock wheels.

Definitely my favorite option as well. I always like my cars loud, so it just made sense for early morning and late night starts. Very handy with longtubes and Corsa's :rockon:

I have my eyes out for a stock intake too as I no longer have mine. Alternatively, may try a different intake and tune to see if that helps my warm start stalling issue. 🤷‍♂️

Love my knob from shift solutions. Looks good in that color too!

Sounds goooood! Can definitely hear that it's not as "trumpety" as mine.

Thanks. Looks like I have a weekend project for myself :like:

Have any videos of your setup? I have longtubes, x pipe and Corsa Xtremes. Sometimes I feel it's a bit too high pitched down low, but sounds amazing up top.

My current TB is stock. Think it just needs to be replaced?

Maybe 4K on the PMAS? I have not cleaned it. Unhooked it yesterday and didn’t see any grime or junk. May try buying some MAF cleaner though. A stock throttle body or a larger size? I need to see what my mechanic thinks about the issue. I trust him, but have yet to have him take a look at the...

Grasping at straws here. Adjusted the position of my MAF sensor as it was pointing downwards at a 45 degree angle (now it’s level). Still experiencing the same issue with any initial warm start stalling or dipping very low in RPMs before recovering. Starting again 2 seconds later has no issues...

Thanks for the replies! Does anyone know what the "tune required" MAF sensor number should be for a GT? I should check to ensure mine is correct and will also try to level out the orientation of mine a bit as I think it dips a bit lower than your picture.

My sensor is oriented very similar to yours, maybe slightly lower? Everything looks lined up, I don't believe I could adjust it any differently. I pulled the sensor today and it seemed perfectly fine, but may try some cleaner as well. I wish I still had the stock intake as I would just go back...