Pontiac Grand Prix Forums : Grandprix

I have a'04 CompG and I want to get new exhaust. I want to have a deeper more agressive sound, but I don't want to get blown out inside the car. So I would like to hear from you all which would be the best for the CompG's. As far as price, quality, and sound. I am trying to get something decent, but not break the bank at the same time. The Corsa sounds nice, but $1129.00 is a lot of dough. And all I have is what is listed in my signature below. Thanks in advance.

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Autopage Alarm w/Remote Start-35% Tint-SPO Tips/Grills-GMPP RTAs-F/R STBs w/Don's brackets-SilverStars H/L Beam-DHP PCM-CORSA-Thrasher CAI-Class II Receiver Hitch-AVS Vent Visors/Tailshades-Chrome Side/Engine Supports-180T-stat-3 AeroForce Gauges-MSD Coils/Wires-NGK TR-55IX

Just replace the mufflers. Don't do a cat back. Borlas aound good. Haven't heard anything good about the flowmasters. With just swapping out the mufflers, you would be able to gat a dp and not spend as much as the cat back. You could do the dp with cat or if you can get away without one, dp without the cat. I've seen a couple people on here with magnaflow mufflers but haven't heard them yet. Seen alot that love the way Borlas sound. That's what I have so far and I'm sure someone can enlighten on this subject a little more.

yeah just get new mufs i got 2 chamber thrush welded 1's and they sound really nice!

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hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's

i have heard nothing but good about borla mufflers, the way they sound. and you can get the mufflers for 160 for both on ebay. with the extra money you save you could get headers to help out with performance then.

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white 04 comg G gtp. wizair, pacesetters, slp 1.8 rr
its slow.

hm? would these borla muff's work on a 06 grand prix. i know u guys r referring to (as ur picture) the model before mine. New GM's are a B****. I just paid $120 for an aftermarket radio wiring harness...BS since the models before 2000 just costed $20 at best buy....

Got a link to that all I can find is stuff thats like ~200 each.

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2004 Grand Prix GT - 75xxxkm - Inferno Package (no hood), Wizaired CAI, ZZP Strut Tower Brace, 180 T-Stat, Throttle Body Heat Shield, more to come...

Ok, well I ended up getting the Corsa exhaust system. And I must say it sounds wonderful, we installed it Friday night. She has a nice growl to her now. The tips that came with the exhaust were too big for my taste so I stuck with my SPO tips. Let me know what you guys think. Here are a couple of pic, and a sound clip.

P8040609.flv - Video - Photobucket - Video and Image Hosting

Here are my friends removing my old exhaust:


New exhaust with 4" tips, which came off the next day:

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Autopage Alarm w/Remote Start-35% Tint-SPO Tips/Grills-GMPP RTAs-F/R STBs w/Don's brackets-SilverStars H/L Beam-DHP PCM-CORSA-Thrasher CAI-Class II Receiver Hitch-AVS Vent Visors/Tailshades-Chrome Side/Engine Supports-180T-stat-3 AeroForce Gauges-MSD Coils/Wires-NGK TR-55IX

Sounds awsome. Wait till the mufflers break in and the tone get a little deeper.

ehh they sold them. just check in from time to time..

to the op. the new exhaust looks great

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white 04 comg G gtp. wizair, pacesetters, slp 1.8 rr
its slow.

yeah let 'em break in :P ... my stock r broken in pretty good. I had a guy last nite tell me how great it sounded, factory... comparing to his 02 v8 bonneville

Sorry to bring this back up so late in the thread and most of you probably know, but the reason for the expensive harness is it contains the cars door tones, beeps, etc... also I think its needed so that the Onstar will still work over the speakers

yeah but its still high-priced...I opened the box and its about the same size computer chip thats in ur TV remote!

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'06 GP GT S/C - ALL visual, WizAired!
'00 T/A WS6 M6 - Almost FULL Bolt-on's!
'08 Raptor 700R - STOCK
'92 Suzuki GSXR 600 - Yoshimura Header & Exhaust

yea but your paying for the electronics in the computer, not the size. trying putting your tv remote in place of it

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white 04 comg G gtp. wizair, pacesetters, slp 1.8 rr
its slow.

^ haha funny, you know as well as I do, it doesnt cost much to manurefacture these parts! Cake-Holes come up with something new and price hits until another company makes a similuar product then it will drop =P

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'06 GP GT S/C - ALL visual, WizAired!
'00 T/A WS6 M6 - Almost FULL Bolt-on's!
'08 Raptor 700R - STOCK
'92 Suzuki GSXR 600 - Yoshimura Header & Exhaust

If you get some thing that is louder than stock and truly sounds good (I've never heard a 6cyl sound good) you need to post a sound clip.

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3.4", 3" cated DP, SLP Air box, TB spacer, 180* Thermo, "Bilemke Tuning".

^ where'd the hell that comment come from? lol its not even same subject...lmao

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'06 GP GT S/C - ALL visual, WizAired!
'00 T/A WS6 M6 - Almost FULL Bolt-on's!
'08 Raptor 700R - STOCK
'92 Suzuki GSXR 600 - Yoshimura Header & Exhaust

For the original exhaust thread probably.

Referring to the original subject on this thread.

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3.4", 3" cated DP, SLP Air box, TB spacer, 180* Thermo, "Bilemke Tuning".

Oooo good job then keep us on track!!!!

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'06 GP GT S/C - ALL visual, WizAired!
'00 T/A WS6 M6 - Almost FULL Bolt-on's!
'08 Raptor 700R - STOCK
'92 Suzuki GSXR 600 - Yoshimura Header & Exhaust

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3.4", 3" cated DP, SLP Air box, TB spacer, 180* Thermo, "Bilemke Tuning".