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Looking to swap from Catless DP to Catted DP. Worried about Custom Flex fuel e50 tune needing to be adjusted for the cat being in place instead of catless. It is difficult to have it retuned and would rather not, even if there's a decrease in performance. My worry is it will hurt my engine...

Looking for a radium dual catch can kit. Having some blowby issues so this could come in handy :)

Hey folks, looking to pick up a SP1R second hand system. I have cash in hand. Just don’t want to wait 2 - 4 months for a system to be made. Preferably local pickup, located in SoCal Anaheim area. If you have a system shoot me a dm or comment and I’ll throw out a price (or you can which is even...

Wondering if this is somehow "normal". On xHp stage 2 about 102 miles after flash, didn't do anything crazy for the first 100 miles. Followed the recommended break in period steps but I've noticed my shifts are sort of harder / more lurchy. If anyone can shed some light on this if it's normal, a...

Hey all, just wanting to clarify if I installed the MST turbo inlet correctly or not. Attached are pictures of the inlet off of the turbo and on the turbo. I was unsure if it's correctly installed because of that plastic ring that's a little higher than where the inlet actually is currently. I'm...

Hey All, I'm a new owner of a 2021 GR Supra with the Gen2 B58. I've noticed that when I'm idling I'll randomly have a "Stutter" that vibrates the car then recovers. My RPMs drop maybe 100 each time this happens and it just recently started happening. I've bought this car from a BMW dealer and...