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I believe I saw posts from Gruppem / Blitz owners who had idle issues post-install pre-tune. That's the only time I recall seeing reports like that (unless someone used a different sized MAF, like Cobb or PRL's race unit, and didn't get tuned for it).

No worries 😆 I do understand where you're coming from... A lot of design choices with this platform rub me the wrong way. (For example... why don't we get a baffled oil pan? Why don't we have multiport injection? Why does this motor route exhaust out the front?) Sadly, it's not the fabled K20 😭...

I didn't say otherwise, lmao, and I am not trying to promote one motor over another. I am just giving you feedback on this one.

They aren't tuning in "fake lag". The stock turbos on these cars are relatively small, so they hit peak torque around 3,000 rpm (this is mechanical, d/t turbine / compressor size). > 400 wtq below 4k rpm on these engines is risky (d/t load on the rods), so responsible tuners don't request more...

This one, right here, to start 🤣 If you do the math, you'll find the delta between the PRL intercooler (485 WHP) and the PWR intercooler (455) was also approx. 7%. This points to the HPT intercooler having similar performance re: power to the PRL but without the restrictions to cooling and...

... assuming 60 crank hp given 36 WHP? That's an aggressive estimate, especially in an FF. Regardless, crank HP is irrelevant, as all the figures we're comparing here are WHP and the drivetrain is literally identical. A 36 WHP gain is 7% of the 511 WHP total output using the second IC and a...

It depends when / where you're calling for the torque. Early on, people were attempting to make big power on the stock turbo. Due to its small size, this also means making significant torque demands at low RPM, which puts a lot of stress on the connecting rods. A larger turbo won't make peak...

@APEXRaceParts can we get the SM-10RS in 18x10.5 et47? The VS-5RS is available in that size (and hugely popular for this platform). I'd love it if we could get the 10 spoke in the same spec!

Hopefully costs less 😂

This is through the Touring portal, though, and unlikely to reflect offerings for normal public / consumers, right? I don't think we should be basing our expectations for offerings or pricing off that portal, or am I wrong?

Thanks for this! I'm definitely interested in the coils / brakes... already have the shifter 😊 Kind of disappointed there's no exhaust, but I guess if most of these are just rebadged parts from other third-party mfgs (RV6, Titan 7, Acuity), it likely wouldn't be a new offering anyway.

Is this on stock suspension? Any rubbing issues?

The car measures incoming air prior to the blow-off valve. That calculation is used to determine appropriate levels of fuel, etc. If you don't recirculate the air from the blow-off valve, there will be a discrepancy between how much air the car expects to receive (measured pre blow-off valve)...

Try the PRL RMM to start, imo. It's well made, it's relatively inexpensive, and it's an easy install / uninstall. It's not as extreme as other options (with solid bushings), but it gives the car enough little vibration on startup, at idle, and at low rpm to add character without turning it into...

What was the impact like on ride quality?

Potentially, and I don't doubt that's usually the case... but there aren't a lot of options out there today, given OP's criteria, if you want a modern chassis / relatively safe vehicle. "Raw" is a quality most modern manufacturers avoid as much as they can 😭

Anyone actually running solid suspension bushings (like RV6 kit) up front?

It's not anti-lag (I don't think anti-lag has been mentioned once in this thread), and emissions is certainly a factor, but it does impact turbo response. Keeping the throttle open helps to maintain boost so response is quicker when you get back on the throttle. I've had plenty of cars that...

I think the car is keeping the throttle open to maintain boost for the next gear. It annoys me; I'd rather it close, RPMs fall, and I have to build that last bit of boost again after shifting, personally.

Anyone running the newest generation? (My understanding is that they made changes to early FK8 iterations to reduce clunking, etc.) Obviously they lead to an increase in NVH... my question is: how bad is it?