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Without a tune, no. With a tune for it, yes but it will make less power than an E50 tune because the stock fuel system can’t flow what’s needed. With an aftermarket HPFP and tune, again yes.

I haven’t ran back to back tests or anything but it’s a noticeable difference.

Correct. There’s tons of us running 11.6-7’s at 117/118 at full weight with pano roof, etc. Including driver weight, 265lbs in my case, that calculates to roughly 540 at the tires on E50 with stock fuel system and turbos. In my case that was long before the aFe intake…I haven’t retuned for...

Just the usual…downpipes, etc. Plenty of guys have been in that range on the dyno and backed it up with Dragy/track times. I prefer et/mph/weight calculators to dynos myself. I finally installed my AFe weekend before last…haven’t even driven it yet. I guess I need to get Adam a log soon.

Plenty of people are actually seeing closer to 540-550 whp on E50 with supporting mods…you’re running out of air about there.

Roughly $15,000 per tune

That’ll get you in the ballpark…but testing and calculating the blend is the only accurate way. The station I use for E85 is very consistent at 85 but I still test it about every 2 weeks to verify. You have to factor in any ethanol in your 93 as well. The apps make it foolproof where guessing is...

Mine got stuck in Brake Service Mode when I was swapping rear rotors a while back…had to get a buddy with a serious scan tool to come figure it out. It had a code for a temp sensor on the rear caliper being out of whack. FYI there is no temp sensor on the rear caliper.

I virtually never see an ST when I’m driving my daily GTI. Drive the ST…nothing…ever.

Everyone mixing fuel should have an app to work it out. The E85 Mix app is the best one I’ve used.

This is what I do as well. It’s nice to not worry about finding E85 every time I need gas.

They’ll ride rough and feel like you pulled 80hp out of it…no way around that. And I hope you wrote the wrong tire size. A 235 isn’t right.

Considering all 305’s don’t measure 305mm…be careful with that statement. A Pirelli 305 is much wider than say a Lexani 305. Sidewall bulge is something that has to be considered with tight clearances.

The flow difference between catless and a 400 cell cat like everyone is using is single digit percentage wise…HP differences are about the same. Absolutely no reason for catless with the emission hassle and bad smell. Not to mention no reputable tuner will touch them with the EPA crawling down...

Not even sure how that’s a question. E10 94 by a large margin. You should be looking for E10 in any fuel you run…the benefits of even a small amount of ethanol are well documented.

Reach in and put your finger between the wheel and strut…you’ll probably reconsider 305’s.

All name brand stations will be top tier. Independent stations use that term to let people know they have quality gas also. A little fact about refineries, gas and gas stations. When a refinery produces the product very little is stored on site…it’s sent to large storage terminals and...

#1 Yes you can with a specific tune for it but E50 will make more power with the stock pump. #2 Yes you can mix with E0 fuel but it usually cost more than using E10 fuel as a base. For the mix ratio you need the E85 Mix app…don’t guess at it. #3 Yes

They will be roughly 1/2” inset from the fender lip and depending on what tire is ran on them, the sidewall would be very, very close to the strut up front.

Get inlays off eBay for 10 bucks and make them whatever color you want. The ones for a Focus ST fit ExST emblems perfectly.