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Thanks for sharing Marin. It looks like once the engine is tuned to where the airflow requirements go up, there's definitely a bit of power to be had with the HKS drop-in.

2 reasons. 1. The supplied bolts weigh 16 ounces so they're almost 5 ounces heavier per corner. 2. Titanium studs look cool. Mostly 2. :-)

Wanted to fill out the wheel well a bit more so opted for their spacers and titanium stud kit. I went 12mm up front and 15mm in the rear. Stock bolt weight - 10.85 ounces Titanium studs and bolts - 11.65 ounces 12 mm spacer - 9.85 ounces And the final look after installation.

It's probably fine. Biggest obvious difference is the inclusion of an additional bung near the exhaust housing. I suppose if you plan to run an EGT gauge it would be useful. Otherwise just an additional location for potential cracking or an exhaust leak.

If you have BM3 installed and there's a reason for them to update the ECU, they'll overwrite your BM3 tune and lock the ECU. From what I've been told by a local tuner, the instructions to BMW dealers is to lock the ECU. Not sure if Toyota is doing the same thing.

Ideally you'd want to have a sensor and guage to measure the ethanol content. When I had my Focus RS, I ran the setup from Zeitronix. Worked flawlessly. The reason why measuring is so important is because unless you've verified the ethanol content from the E85 pump, you really don't know what...

I believe it was the November update. If you bought a car after then AND the dealership updated the firmware before selling, you likely have a locked DME.

The shop that tuned my car doesn't use bootmod3. They used their own flashing software. Right now I'm running the calibration they did along with a JB4 Map 6 with a 2 psi boost adder. From solely a boost level standpoint their tune coupled with JB4 is about equivalent to the boost your engine...

The shop where I had the tuning done recommended against going to the dealership. They weren't sure what Toyota's instructions are, but BMW will lock the ECU/DME if you take it in for service. At least that's what the latest guidance is. Not worth the headache to me to have to go back to the...

The OTS tunes are typically pretty safe. They don't make the same power numbers as custom tunes because they're designed to be conservative. Every engine is slightly different so without putting the car on a dyno or reviewing logged road pulls, a responsible tuner is going leave a fair amount of...

It varies, but most of the dyno charts I've seen show a 45 - 55whp increase over stock. with similar torque. With a catted downpipe I saw a +81 whp and +114 wtq. Other than cost, there's pretty much 0 downside to running a catted downpipe (like the one from AA). Car sounds great in sport...

You should be ok as long as you haven't gone to the dealership and got the most recent update. I ended up getting mine bench unlocked locally when I got tuned.

Thanks for the response. Looking forward to seeing your stage 2 percentage gains.

5w-40 is an approved oil for the Supra. Page 325 and 326 in owners manual. 0w-20 is more about fuel economy than protecting the turbo and engine. My car is tuned and isn't dealing with freezing climates so a slightly heavier viscosity is better in my case.

Got oil and filter in to do first oil change on Supra. Sitting right at 1100 miles at this point.

Sounds incredible. Which wing is on this car?

Would be nice if they posted a weight savings.

Yep you’d have to take it apart to clean the filter. You could probably use a different filter it not sure why. Eventuri put a lot of research into their filter so I wouldn’t want to run something different. It can be serviced and reused so a replacement shouldn’t be necessary. I wouldn’t...

Just got my Eventuri intake in from @Extreme Power House and color me impressed. Holding it in my hands, I can see why it costs what it does. The packaging is top notch and the fitment was absolutely perfect. I can hear more turbo noise in the cabin now which is just what I was going for. I...

Nah I’m talking US spec cars too. If you look in a stock downpipe, there’s a catalytic converters between the upstream and downstream O2. There’s also a second one after the downstream O2 within the downpipe body. I figure that’s there to just further reduce emissions even though it’s...