So, I picked up the 2002 GTP I currently drive about a month ago. I has (from what I know) to be the very base head unit.. CD, no tape, and 2 sliders, 1 for treble and 1 for bass.

What boggles me is that it has the Bose speakers, and an amp (I'm assuming) in the trunk.. did the previous owner swap out the head, have his own system, or do they come with this jank head to begin with?

That's what it comes with. I don't have CD in the head unit, just tape, but mine has a CD changer in the trunk. Then the 2 sliders (I miss my graphic equalizer from my '01 GT)

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Previous: '99 GTP 246 hp, 350 ft-lbs dyno tested
Current: '07 G6 V6...slow

"Wide open 'til you see God....then brake."

Ah I see, I had an 06 base GP that I traded in for this GTP. Really like the new GP's but driving it for work really put a toll on it's performance. Just miss how easy it was to tweak the sound on the 06 base stereo over the 2 sliders that came with this one.

Would it be worth just starting a new system from scratch or working with what is already in the car?

I personally like the quality of the speakers, but the BOSE system tones down the base as you turn up the volume...kinda bugs me. I'm still stock so you'll have to consult someone who's done stuff with theirs.

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Previous: '99 GTP 246 hp, 350 ft-lbs dyno tested
Current: '07 G6 V6...slow

"Wide open 'til you see God....then brake."

Yeah, I agree on the quality. Pretty good considering the age IMO. I wouldn't mind a new unit, and adding a sub or two down the road.

I've been playing with the same idea. I'd probably go with a Pioneer shallow sub. Save weight and space. The only drawback to replacing the head unit is that I lose control of the steering wheel controls without an adapter...

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Previous: '99 GTP 246 hp, 350 ft-lbs dyno tested
Current: '07 G6 V6...slow

"Wide open 'til you see God....then brake."

Can't be too terribly hard to find an adapter would it? I've grown fond of the steering wheel controls also.. Maybe when I get back later I'll dig around on Google.

there is an adapter for new headunits to retain steering wheel function, alpine can be hardwired directly to the car

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No, it isn't too hard, search PAC-SWI or something like that

Clubgp store sells one, so take the name from there, search for it and you can find the company's web site.

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Previous: '99 GTP 246 hp, 350 ft-lbs dyno tested
Current: '07 G6 V6...slow

"Wide open 'til you see God....then brake."

the stock 7-band delco hu can be swapped out for the 2band that comes with the bose

personally i chose to go with a new hu altogether but ive heard that doing this really brings out the best in the bose, for as little effort as it requires


my gt has bose, and i put a pioneer hu in so i could run my sub. i chose not to keep my steering wheel controls, because i never used them enough to miss them... but if you have any questions i can try and help you out

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You heard swapping in the 7band HU works best, or changing the HU entirely? I'd like to add a sub in the future

well i know that putting in a new hu entirely really helps the sound and is the way to go if you want to add subs in the future.

however

putting in the 7band is a cheaper, easier way to get similar results, especially if you dont plan on doing much more to the stock system. personally i have never heard a car that this has been done to, but many people have done it and claim that their stock bose system sounds much better

you mentioned that the bose turns down the bass as you turn up the volume. if you get a new aftermarket hu that issue should be eliminated. if you get the 7band i'm not sure if that would be fixed. jfyi.

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Would I just be able to replace the deck to start? What all would need to be changed.. going to add a sub in the future, but as of now a new deck without changing the bose speakers etc would be awesome.

Any input?

No highs, no lows? Must be Bose...

Just replace everything. It will sound SOO much better.

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One Big Ass Mistake America

i replaced everything in my car hu, speakers, and added subs sound is soo much better than stock( though my speakers are amped also ).....mind you i really hate bad quality music, i cannot listen to it at all. new head unit was the best thing ive done to my car and i love my system...and you get used to not using the steering wheel buttons fast any ways.... my opnion just get a new hu not the 7 bnd stock one........had it in my car....hate it. lol

My stereo is completely redone. Nothing stock at all any more. kenwood screen, pioneer amp, and Boston acoustic speakers. Awesome!

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2005 Fusion Orange GT2,, K&N CAI, BA Speakers, Kenwood DVD 8019, BT, Sirius, Ipod adapters, Overkilled

Sorry to dig up an old thread ....but I'm looking to replace a HU in an 01 GT that just has the bass/treble sliders to the 7band equalizer. Can it be done easily? I loved this HU in my old 00 GT....and really wanna stay with a stock stereo as i've had nothing but theft problems when installing aftermarket. This unit was tuneable enough to have pretty decent bass IMO...for a stock stereo. Thanks in advance for any advice!!

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Bass mod, Partial Debadge, Cargo Liner & Weathertech floor mats,Superchips Cortex 93 Performance Tune, GTPprix's Atari Gauge Mod & OEM Bluetooth & VIM, Leather sliding center console cover, Jack Kit and full size spare, Rotofab CAI and rad cover, GXP axlebacks.

I replaced my treble and base slider headunit with the 7band eq that I bought on ebay that was modded with an aux input jack. The aux jack works with the fm radio part. The fm radio will still work when nothing is plugged into the jack. But putting in the 7band eq made a big improvement with the sound.

Sent from my SCH-I500 using Tapatalk

Yes, I agree. I did the same....just installed mine 2 days ago. Much better sound IMO....and nice being able to use my mp3 player now.

Sent from my DROID RAZR using Tapatalk

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Bass mod, Partial Debadge, Cargo Liner & Weathertech floor mats,Superchips Cortex 93 Performance Tune, GTPprix's Atari Gauge Mod & OEM Bluetooth & VIM, Leather sliding center console cover, Jack Kit and full size spare, Rotofab CAI and rad cover, GXP axlebacks.