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Any one here with a fuel system have dyno numbers with E85 on 120mm pulley. Wondering how much I could expect to gain. I travel a lot with the car and e85 is sparse. I'm ok with flashing from e85 to 93, but don't wanna swap pulleys. 21gt Bap Lth G3 Wengerd tuned Boostane Saw 730 WHP SAE

Looking to drop down to a 115mm pulley on 93 with Boostane. Anybody running this setup? How much power do you make?

I am interested to see if anyone has had issues with them holding up under heavy spirited driving. I have a good deal in the works on Mach1 conversion, but my brother in law is trying to talk me out of it because his Gt350 conversion literally came apart at the high speeds. We put his factory...

I know ESS recommends 125 and 120mm pulley sizes for 93 octane stock fuel system. I am a street warrior that wants to get every ounce of HP out of my car without going to a full blown fuel system and E85. Has anyone here gone to a 115 pulley with maybe some boostane are octanium safely with...

Looking for some ideas on a axle back system that does not drone. I currently run a Steeda H-pipe with a MBRP axle back. The car has factory manifolds and cats for now. This setup is driving me nuts with the droning. Will be installing Stainless Power headers with high flow cats next week...

Looking for a quality set of LTH's with high flow cats for 2021 GT. I am currently looking at Stainless Power or Texas Speed in my budget range.

I am 2 weeks out before adding ESS G3x kit. Does it make since to spend the money on LTH’s. My real question is, is it worth over 2k for the hp gain of the headers. I am stock now except MBRP axle back and Pypes H-pipe. Just want the most bang for the buck. Can do a lot of thing with 2k. GT500...

I bought a 2021 Gt premium with 7k miles on it. For the life of me I can't figure out how to turn off the km/h reading on the speedometer. It shows split with km/h above mph. I think maybe my car was from canadian so that KM/h is the primary. Any way to change this to MPH? Help.