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Say on a ~60 second course...all things equal, both tires in 305/30/19 square. We've had a number of borderline events where it looks like rain but may not rain and I really don't want to haul and change tires at events or skip them altogether. I'm debating just running PS4's next year since...

AAD toe links purchased new, never installed, only out of package for pictures. $375 shipped. Venmo or check held to clear. Shipping via USPS Priority Mail insured or UPS insured.

Looks like Ikon and others now have knock-off's for $150 delivered versus $500. it's specifically listed as fitting Mach 1's so I'm thinking it lines up to all factory holes. Anyone use one? I could stomach tearing it up more than $400+ each time. For now, it's the only part I've left off...

Does anyone know what kind of levels they've seen recorded on our cars @ autocross events with active exhaust and an x-pipe? One region has a 94db limit and the other 97db. I'm concerned the Mach 1 might blow it in quiet mode. I'd rather hear real world test results versus Steeda videos...

Going to an autocross whenever my tires arrive, but I have a question about sound. Anyone know how many dB it is with x-pipe? The site gives warnings at 97 dB and a DNF at 100 dB. Obviously it will vary in the 4 modes.

When I changed springs last week the spring compressor contacted the orange sleeve on the strut body and it popped off. I pushed it back down thinking it was only a retainer for the boot. I drove the car about 20 miles since then. While installing toe rods for tomorrows alignment appointment...

I've done self alignments years ago on a car I used to autocross. Might be doing the same on the Mach 1 next week. My question is, and yes I've searched, what is the tolerance +/- everyone is using when leveling their floor?

Debating Steeda versus Vorshlag. Are the Steeda plates quiet? Longevity? I like that they reuse the factory rubber, but have seen some mixed reviews.

Update: now a build thread or what I would really call documenting our Mach 1 mods and ownership experience. Canceling my 2022 order and just picked up Mach 1 M6150 today! It’s a ‘21, Tremec, 700A, FJG duh, elite with upgraded wheels. I rented a car and drove 6 hours to pick it up from a...

Curious how much negative camber folks are getting with the handling package and it’s camber plates maxed out. I’m weighing if I want to order Vorshlag plates or not.

Mach 1 6-speed manual 700A Mach 1 Handling Package Mach 1 Elite Package Red Painted Brake Calipers Grabber Blue! I haven’t gotten email confirmation yet, but the system does show a delay until 3/21/22 for the handling package. Used a local dealer that gave me decent enough pricing (below...