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What's the point? More dust going into the engine without any meaningful benefit.

I went through the same exercise on my ATS-V. When it was time to install the downpipes I bought a while back, I reluctantly went to snoop around. After spending half an hour trying and failing to figure out how to disconnect and pull out the O2 connectors, I thought it was not a project I cared...

No it doesn't impact catalytic converters. It had its own nuances in high concentrations, but a gallon or two will have no ill effects.

1. A catback exhaust is only for making more noise. It doesn't have any measurable improvement on torque output. Catted/cattless downpipes have nominal impact on torque output, unless you modifying heavily. With a JB4, I would consider them of no meaningful benefit. Certainly not worth the pain...

Patrick Cadillac in Schaumburg blew me off twice. Motorwerks in Barrington confirmed the issue and replaced the assembly.

Not normal. I don't know if you are aware, but there is a long standing issues with shifter assembly and shifter linkage bushing rounding out very quickly going back to 2016 on the ATS-V. From what I understand, they haven't changed anything on the assembly and the issue still exists on the 4BW...

I swapped everything but the front seats and the armrest lid (still looking for that one) from upgraded black to scg. Its a night and day difference. I thought I would be OK with black but couldn't stand it knowing that there is scg.

I had them on a car in the past. Compared to MPS, they suck. They are ok if you are looking to save money and don't particularly care to have the best. Or even fourth best, honestly.

The lf4 engine generally sounds like shit. You don't want to run it completely unmuffled. From your description, I dont think you are going to be happy with the catless AWE either. I wouldn't be. This engine can only give you so much volume before it starts sounding like a piece of briken...

I sold the car before getting that far into it.

I have had years to think through this issue and towards the end of my ownership, it was often shuddering and vibrating on clutch release in first gear to a point that I could not take off smoothly. I did have to apply more throttle and earlier to try to eliviate it. It came and went seemingly...

^Yup. Same here

I don't know....sounds like a recipe for a quick, copramised, half ass factory retrofit job. Maybe some oems can do it. I doubt Lotus can do it properly.

Yea, the stock exhaust does sound good. No comparison to the ATS-V. Hard to justify 3k+ for a little more sound.

A red Uchida permanent fabric marker, but there are many others brands out there. The beauty is that you don't have to be careful when applying. It doesn't stick to leather. Just wipe off any overrun and the color on the stich remains.

A few examples. Haven't finished all the stiching yet. It takes a bit of time.

You think that's nuts......I swapped out my upgraded black rear seats and door cards for sky cool gray. Also colored all white stiching red for continuity. So now I have black front seats and everything else scg. I dig it. Probably better that way as the fronts get the most use and wear. If...

I spent a lot of time looking into this question. Tried multiple upholsterung places. None were very interested as they didn't think they could do it well without removing and replacing. The only quote I managed to get was $1k. I also tried it myself on samples with a brush and with a dye...

The oem exhaust. Or the AWE. I dont like any others.

I think they have the tips set at slightly different elevations by intent.