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What should MAF look like lbs/min at WOT with a blower? More specifically I'm driving a 2015 phase 2 and without a boost gauge I'm trying to find alternative ways to ensure blower is blowing right, lol

2015 Roush Stage 2 w/ Phase 2 kit and FBO including catless heads. VMP tuned. Has BAP. I'd like to focus more on support mods now so my car doesn't blow up. Looks like my list includes crank sprocket, oil pump gears, cooling mods, and axle upgrades. Other things to consider? Think my focus...

Hey all, Owner of a 2015 phase 2 mustang gt and just installed catless bbk headers. CEL came on a couple days ago and it's evident that it's due to cats being gone. Tuner said it's against the law to revise tune to disallow CEL, so I'm wondering what other options exist for me to not have the...

I own a 2015 GT premium trim. Im coming from a Focus ST that I modified heavily but I don't have the time to dive deeply into sound system mods on my new ride, but I miss bass. Badly. What would you buy with a $1000 budget? Would $2000 get me that much more value IYO? I don't want to...

2015 RS2 w roush phase 2 kit FBO and custom tune. Drive the car way softer than you'd expect. M6. I'm averaging 14 to 15 mpg. If not a product of spirited driving, what might be why my mpg is that low? Maybe it's normal? Idk new to the s550 game.

Hey all, Know dynos have tons of variance, but do identical blower kits vary kit to kit? For example, should all P2 727 kits produce roughly (within 10 hp) the same crank hp?

Hey all, Trying to figure out nGauge, but I'm having an odd amount of difficulties. I'm used to the AccessPort that I used for my Focus ST, but this is similar enough that it shouldn't be hard but regardless. For another thread. For THIS thread I'm curious what the best ways would be to...

Hey all, own a 2015 RS2 with X pipe and roush axlebacks. NO HEADERS. Has the Phase 2 supercharger kit and boost-a-pump. Custom tuned by VMP. Seems the glaring issues are headers and injectors. Which would you think should be upgraded first? If I upgrade injectors first and increase boost etc...

Hey all, I'm new to the nGauge, am used to using the AccessPort on boosted i4s. Currently driving a phase 2 Roush stage 2, just picked up nGauge from VMP to get their custom tune. But I'm thinking nGauge would be good to use to track stuff. I'm dumb with tech. Would love to know how to...

Hey all, I own a 2015 RS2 with Roush's P2 blower kit, BAP, catback and wheels. I spent $900 by buying an nGauge from VMP and their custom tune. Seems what I actually bought was a canned tune from VMP as they're not requesting any datalogs or anything, just plug and play. Is this standard...

Pretend you've owned your 2014 Ecoboost Mustang since 2016, bought it with 6k miles. You've gradually modified it over the years, eventually it's FBO, turbo swapped & tuned. Never an issue of any kind. Car sits with 59k miles. Then, box spring flies off a truck while driving on the freeway...

Hey all, Proud new owner of a 2015 Roush Stage 2 w/ Phase 2 supercharger kit installed and a BAP. Car also has SVE 350 wheels staggered 275 up front and 325 in back, wrapped in Indy Firehawks. I'm coming from a Focus ST which is so terribly difficult to launch, and frankly only gets worse as...

Well aware that this is totally subjective and will likely rustle some jimmies, but man I feel pretty strongly that the Gen 2 body is just sexier than Gen 3s. I'm not at all feeling the Gen 3 front fascia. UNRELATED - but my 2015 manual PP1 shifts super clunky in normal, much smoother in...

Hey all, New to the S550 world, proud new owner of 2015 RS2 with P2 blower kit. Car also has a BAP and this resonator delete X pipe...

Live in southeast Virginia, can arrange shipping for injectors but probably harder for headers.

Hey all, Proud new owner of a 2015 Roush Stage 2 car. I think I'm reading that the car comes from the factory with "one way adjustable coilovers" with owners being able to option for something more than that if desired. Don't think previous owner opted for anything additional. Do these...

Hey all My brother talks endless shit about his Tesla Model S 75D. I think it's a 2018 maybe? Bone stock. Car is a golf cart, albeit a quick one, but he couldn't be a bigger Elon dude bro. It's infuriating. Recently purchased a 2015 RS2 with the Roush phase 2 kit (canned calibration), BAP...

I'm needing visor covers since my 2015 RS2 has garish Roush signatures on both of them, the ones that fold down in the front. Best slide-over options, or overlays, or something? Don't want to swap them out since on resale someone might actually love it lol

Hey all, Have a super clean 2015 RS2 with Phase 2 blower kit I want to buy. 20k miles, car is ceramic wrapped and super well cared for. Negotiated price to $33k, but lenders don't recognize it as a Roush and will only lend me what they'd lend if it were an equivalent regular GT...$28k. This...

Hey all, Was gonna buy a 2015 RS2 with Roush blower kit but deal fell through. Which is sad. Happier news is I've re-oriented myself and realize now that I'd appreciate buying a newer ride with warranty and slowly build my own supercar over the years. Goal is now to get a 2018+ Mustang GT...