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Hello fellow Solstice owners. I am on season 3 with my stock '07 GXP and decided to add a few horses. From what I gather, the Trifecta tune and high-flow cat seem like the place to start (I went Solo catless-how can you get more high-flow than that?) While I wait for these items to show up so I can install them, is there anything else that I will need to complete the package? O2 sensors? I plan on breaking the old gal in for a while, but what would be the next step? New exhaust? Also, when the tune asks about the on/off, I get the cruise control on=tune on, but the other option is comp mode on=tune on. What is comp mode? Is this option added when the tune is uploaded? Thanks in advance for the help...I love my Solstice!
 

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I am not familiar with trifecta, but before you upload the tune I'll suggest the following: spark plugs, intake valve cleaning, belts, oil change, brake pads if needed and tires (if they are in bad shape or too old). I would skip the charge pipes, intercooler (unless you are going to race back to back) and a cold air intake, all 3 offer minimal performance gains not worth the money. Wait on the catback exhaust maybe you like the sound of the catless downpipe, if the downpipe doesn't come with a gasket buy one from solo performance.

Enjoy your car!
 

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What is comp mode?
Double tap the Traction Control button... and you're in competitive mode. I am running Trifecta's switchable tune ($400), the car has their base tune running until I double tap the button, which activates their custom tune. The custom tune takes into account any mods done to the car. It is quite a difference between the two tunes! :grin:
 

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....... What is comp mode? .......
"Comp mode" (technically "Competitive Driving Mode") is one of four states that the Electronic Stability/Traction Control System can be in.

>On powering the car, ESC and TC are both on.
>Pushing the control button once turns TC off, but leaves ESC on. The traction control light on the DIC will be on.
>Pushing the control button twice within 5 seconds enables Comp Mode, turns TC off, puts ESC in a limited mode, lights the TC light and sends a "Competitive Mode" message.
>Pushing the control button and holding it for 5 seconds (it seems longer) turns both TC and ESC completely off, lights the TC light and sends a "ESC Off" message.
>Pushing the control button again (after 5 seconds) will turn TC and/or ESC back on and the TC light off.
 

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I installed my Trifecta tune about a year ago; the tune's default setting was - tune on: cruise off; tune off:cruise on.
 

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I would skip the charge pipes, intercooler (unless you are going to race back to back) and a cold air intake, all 3 offer minimal performance gains not worth the money.

Enjoy your car!
It may be worth noting - the cold air intake allows the turbo and blow off valve to be heard much more loudly.

To me, it was worth the money just for the sound.
 

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It may be worth noting - the cold air intake allows the turbo and blow off valve to be heard much more loudly.

To me, it was worth the money just for the sound.
I found the strangled goose noise annoying at first and later just grew to ignore it to the point where I never notice it anymore. It would only be a plus for the CA kit if you are an owner that delights in such things. For others it could be an irritation.
 

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It may be worth noting - the cold air intake allows the turbo and blow off valve to be heard much more loudly.

To me, it was worth the money just for the sound.
Nasty sound. There isn't much more annoying than being on a run with someone that has a CAI. Except for two of them.
 

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Roll bar.

Because race car.

(It also stiffens up the chassis quite a bit.)
 
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