Okay, so I have a N/A Sol, and so far I have a AEM CAI, and Vector tune.

Now, I am about to order the shorty headers and hi-flo cat. However, my dilemma is the exhaust. If I don't get an aftermarket exhaust, is it going to drastically decrease my performance the headers and cat will add?

It's not that I just don't want an exhaust, it's just I'm not a huge fan of the aftermarket exhaust note of a 4 cylinder. They all sound kinda ricey to me... (if I do end up buying one, it'd be the KS1, or KS2 if I decide to hassle myself with the Norm's fiberglass thing)

But anyway, any help in this question would be great, thanks!

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2007 Pure GXP, Fully Loaded except OnStar. BOV Rod Mod, BOV Spring Mod, Dejon IC Pipes, Dejon Intake, Dejon Manual Boost Controller, Dejon IAT2 Regulator, Dejon MAP Regulator.

GM Employee, Lake Orion Assembly, (Pontiac G6, Chevy Malibu)

"Drive it like you Stole it"

22 PSI Never Felt So Good.

I can't help you with technical issues, I'm just a tax accountant. However, I HIGHLY recommend the Magnaflow dual-exit exhaust, although the single-exit is also better than stock. My exhaust (see signature below) does not sound ricey, it has a very pleasing deep sound.

I also HIGHLY recommend the ClearImage Tri Y Long Tube Exhaust Header. It gives a lot more torque throughout the RPM range. The Solstice is fun to drive, but now it is even better.

.

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Her name is MariSOL
VIN 6Y101319, delivered 10/15/05. 72,541 miles.

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Need to check out SOLO Performance on their exhaust system this will be the company I will be going with. there kit for the N/A comes with the rear dual facia from Norm. and it DOES NOT sound ricey has a real nice throaty sound. Inquire on the forum from the ones that has gotten one JMO. Jerry

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Love my Solo SQR-1 with Norms rear fascia. No rice here . When I saw the the straight through design of the center exit systems I decided I wanted one .

I will be driving out to Buffalo again tomorrow to get their second prototype shortie header and put it on the dyno .

I've posted these a couple of times recently when this question has come up but what the heck......

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07 Solstice, black, 5spd manual, convenience, preferred, and premium packages, LSD, Monsoon, XM, A/C, ABS, chrome wheels.

Mods: DDM Stage II supercharger. Solo Performance hi-flow cat, and SQR-2 catback. Norms rear fascia. MSD DashHawk.

GTJAY, get a header... I was not sure how much it helped to I put the stock manifold back on .. I have a shorty from Clear Image F/S...
I will by a long tube once I get my new Super Charger....

AS far as the exhaust... just change the muffle if you don't want dual outs. Flowmaster 40 will / does sound great.. several have it and Love it....
If you want to go crazy... there are several options....

Good luck.. If you want a header.. let me know and I will ship it... I will be out for the next week.. hold tight if you want it.

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SMULESTICE VIN 100591 Mysterious, Black Pillars, Rear Spoiler, Stubby Ant., Flowmaster Hushpower II muffler w/ 2 resignators to dual outs and factory tips, Custom Cat, Norm's Dual Fascia, RK sport front end and side skirts.
BLOWN AWAY COOLED by DDM Works