Thread: exhaust ideas

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  1. #1 exhaust ideas 
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    Well i been searching the forums on here for exhaust ideas. Now is the resanator the cat? If not where is it located on exhaust. My 97 gtp stock exhaust does have some sound to it i was wondering if i just replaced the resanator with glasspack will it make my exhaust alot louder. I want a nice deep tone and a good rumble. And since chambered ones seem like they sound like crap could i just replace mufflers with glasspacks or will that not pass emissions? Thanks for the help
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  2. #2 Re: exhaust ideas 
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    also what size inlet and outlet do i need for a direct hook up
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  3. #3 Re: exhaust ideas 
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    You want borla muffs.

    Try the borla XS's.

    Keep the resonator.

    The bigger the better.
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  4. #4 Re: exhaust ideas 
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    so i dont need to place resonator with glasspack. And im not replacing mufflers with glasspacks that would be over kill just want that deep loud rumble
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  5. #5 Re: exhaust ideas 
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    As long as your resonator is in good condition it wont matter what you replace it with as long as its as long and as wide as possible.

    5" res is preferable but it reduces ground clearance (i've scraped it at least once in the past month at stock ride height).

    replace the mufflers with borla XS mufflers.
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  6. #6 Re: exhaust ideas 
    club of used to own a gp 99prixgt's Avatar
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    corsa
    borla
    slp

    in that order
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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  7. #7 Re: exhaust ideas 
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    The resonator is behind the cat, many people have different opinions on what they think sounds good. I would look at videos on youtube of different exhaust clips to see what you think sounds good. I personally took everything out put in a 28" glasspack and straight pipe and called it good. This is what mine sounds like before I removed the cat and ubend. YouTube - Exhaust
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
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  8. #8 Re: exhaust ideas 
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    The only issue with that isɪ i have emissions testing here and that set up will probabl fail
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  9. #9 Re: exhaust ideas 
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    Quote Originally Posted by slick2500 View Post
    The resonator is behind the cat, many people have different opinions on what they think sounds good. I would look at videos on youtube of different exhaust clips to see what you think sounds good. I personally took everything out put in a 28" glasspack and straight pipe and called it good. This is what mine sounds like before I removed the cat and ubend. YouTube - Exhaust
    That is in my opinion the best setup for sound, but you may not pass emission test I have the same setup, 26" glasspack, resonator delete and muffler delete...When I'm going to get my headers this summer the cat will be gone as well.

    One thing, before hacking into your exhaust line, make sure you have the big picture in mind...I did like 3 setups before this one...your pocket won't like it if you need a welder everytime

    First setup : completely stock : no sound whatsoever
    Second setup : stock with resonator delete : a bit more sound but still...
    Third setup : muffler delete, straight pipe with cat : fun for two days then massive headaches...

    Current setup : almost perfect!
    04 GTP CompG: SSAC Headers, 3.6" Modular Pulley System, Autolite 104, NGK Spark Plug Wires, CAI, ZZP 180 T-Stat, Overkill PCM (Custom Street Tuning By Will), Goodyear Eagle F1 Tires, Hawk HPS Brake Pads, Magnaflow Magnapacks 4", SE Front Fascia
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  10. #10 Re: exhaust ideas 
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    This motor doesnt sound good once you hit the gas.

    It sounds akin to an inline four.

    Hence the normal suggestion: Stock exhaust.
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  11. #11 Re: exhaust ideas 
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    how would it sound to replace mufflers with glasspacks
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  12. #12 Re: exhaust ideas 
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    should i replace mufflers with glasspacks or just remove mufflers and straight pipe it
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  13. #13 Re: exhaust ideas 
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    none of the above.
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  14. #14 Re: exhaust ideas 
    The Blue One blueguy's Avatar
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    You want quiet...no mufflers, glasspacks, OR chambered mufflers are anything but quiet.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  15. #15 Re: exhaust ideas 
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    I want a nice deep rumble nothing rice
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  16. #16 Re: exhaust ideas 
    The Blue One blueguy's Avatar
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    It's a 3800...your not going to get that.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  17. #17 Re: exhaust ideas 
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    starting to find that out lol i had a chrysler lhs with 3.5 in it and had flowmaster dual exhaust and sounded real good. But i see now not to much i can do exhaust wise for a nice sporty sound
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  18. #18 Re: exhaust ideas 
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    what size inlet do i need for new muffler out let should probably be same as inlet right?
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  19. #19 Re: exhaust ideas 
    DUI BABY Bio248's Avatar
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    depends if you want to run certain tips or not.

    you need 2.25" inlets.
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  20. #20 Re: exhaust ideas 
    Donating Users gtpsleeper's Avatar
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    zzp headers to a 31 inch glasspack with 2 borla XS muffs and all 3 inch mendral bent with no cats...

    sounds like a V8 at idle but unless im flooring it, it really doesn sound great while cruising around...

    smells like a racecar though

    whatever you do, do NOT get rid of that res... if you do, put a glass pack in atleast or you will HATE it...
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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