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Everything Ive seen shows the Roush stage 2 supercharger available up to 2020. Will this not be available for 2021? What changed?

I just purchased a 2021 GT 301A auto from the dealer. I bought the 750hp Roush stage 2 kit as part of the deal with the dealer installing it with a full warranty. The car is there. The blower kit is there. No tune. Hasnt been approved by the EPA (CARB EO) for aftermarket use yet. Roush is...

Does anyone make a front AND rear two piece rotor kit?

I have had the Advance Trac disable itself briefly, 3 times over the past 6 months. Usually happened when coming to a stop and then clears. Happened yesterday in start up for a second. Trac control off indicator and stability control indicator comes on and advance trac of flashes for a few...

Whats the hardware difference between the 13/14 Shelby PCM and the GT Coyote PCM? I know software wise they are different. Pin outs? Connectors? Number of connectors?

Jon Jr really came through for me. Almost instant turn around time for a tune correction and the car has never run better. Very rare exceptional customer service! Thanks!

Im an old dog learning new tricks. A couple of things Im wondering. First, if the emissions ready is turned off does that also mean the DTC codes for each continuous and non continuous system is disabled as well? If a tune is loaded into the PCM and has the options locked, is it possible to...

I noticed my Lund tune had the emissions ready deactivated. They wrote me a new tune with it activated, but for some reasons the options are locked and I cant set the gear ratio (speedo is 15km/hr too fast at 130km/hr). So my options are to get Lund to open the option in the tune, load the old...

Just curious, outside of the MAF changes, and changes for a colder t stat, more aggresive timing for higher octane fuel, what is done to the tune for a JLT big air cold air system? Are the OEM fuel tables changed? Im starting to understand how things work but not entirely.

So I got a new tune which I hope will help with the slight surge Im getting with new filters JLT is using in their big air kits. I figured it might be best to update the tuner since I havent done it in a couple of years. I returned the car back to oem and started the upgrade. 3957 files. At...

Anybody replace the standard oiled S and B 5 X 9 air filter that comes with the JLT big air kit with its replacement...5 X 7 dry filter? I did this with the JLT prefilter sock and now I'm seeing some slight surging at 2000rpm cruise speed. Idle, acceleration, power are fine. RPMs above 2000...

I know the manual says that these are throw away items, but is this more of a cover your ass measure or are they really toast after assembly? I ordered new pan hard bar bolts and nuts. Took over 2 weeks to get them

Anyone replace the plastic rad/intercooler tanks with the Shelby Aluminum tanks? How high is the PITA factor? Do you need to drain the rad or can you just siphon the coolant out? Need new hoses/ modify hoses? How did you purge the air out?

After much researching on the style of wheel I wanted to go with to replace the PP wheel, I decided to go Shelby C3 wheels. I like the look, decent price and roll formed/powder coated so a good compromise for the super expensive forgings. I purchased them from Summit and because I live in...

I'm getting ready to install my new wheels and was wondering about the TPMS sensors. I bought two new ones from Tasca (they had three left) figuring I would just re-use two of the old ones. After re-thinking this since they are almost 7 years old, I figured it might be best to get another two...

In the process of replacing the SVTPP wheel with the Shelby CS3 wheel 20 X 9.5 all around. I'm keeping the rear 285/35/20 tires. The fronts I'm either going 265/35/20s or 275/35/20s. I think the 275's will fit. The only draw back is they are heavier but they are cheaper than the 265s. Any...

Refresh my memory on the correct procedure for updating an existing tune (for example changing from a 91 octane tune to a 93 octane tune). Do you restore the OEM tune first, then the tune or can you just write the 93 tune over the 91 tune? Your opinions matter!

I could never find a definative explanation on how to re route the O2 harness so they plug into the O2s directly without the extensions. Van Collier pointed me in the right direction. Undo all of the clips around the top of the trans. Disconnect all of clips holding the harness to the side of...

Pondering something here. So when I did the header install, we couldnt quite figure out how to to get the passenger stock O2 to plug into the harness. We unclipped the harness all around the trans but could get it to reach so we used on extension on the passenger side. Dont like that idea too...

So I finally had a chance to run the car for longer period after the header install. Im using the kooks green catted h pipe. I hooked up my scan tool to check when it goes closed loop it did pretty quickly. I immediately see fault code C2849. Says generic code. Took it around the block a few...

Hi all, As many of you know (as you can see from all of my posts), I decided (for reasons I am now not so sure of) to install a set of Kooks 1-3/4 long tubes in my 13 convertible. I read everything I could from the posts on this forum, to youtube videos, to an advance copies of the install...

Im feeling defeated. I got the passenger side in no problem. Drivers side just wont go past the opening between the k frame and bell housing. Tried everything. Jacked the engine up. Even tried to pry the engine over with a 2x4 between the head and shock tower. Whats the trick? What am I missing...

I swore to baby Jesus that if I live through this install Id never do another again. Is there a trick to installing the egr tube? Headers are loose. I cant even get it to line up with the valve which tells me it routed wrong. Anyone know the routing? Behind the hoses? Between the hoses?

So Im up to my ears in this header install. The manifold nut removal has been interesting. Im using a quickjac so the car is at a comfortable height but still on my back. Im about to remove the h pipe. Looking at the O2 sensors, im feeling stupid that I cant figure out how they unplug especially...

Any potential problems with removing the battery for a few days?