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Thread: SOLO Performance G8 High Flow Cats

  1. #1
    Solo Performance GOINGSOLO2's Avatar
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    Default SOLO Performance G8 High Flow Cats

    UNLEASHED!! This is what these cats do to the Pontiac G8. The exhaust note becomes “RAW” with a huge burble on decal. The best part is that there is still not even a hint of drone with any of our exhaust kits. The drivability is dramatically increased, as the car just keeps on pulling and pulling. These deliver raw performance as well as raw sound! We were surprised to see that Pontiac had decreased the internal size of their cats to 1 ¾” on the inlet side. We suspect that they did this for sound control. Our cats are a full 2 ½” all the way through. We use a heave duty flex pipe and laser cut stainless steel flanges along with our stainless steel pipes.

    Thanks so much to NightWing, Zepcom, and JEC G8GT for the use of their cars during our initial test and design phase. Nightwing had to constantly give up his car during 3 different test manufacturers and multiple O2 bung placements. All of the initial testing is complete. We are very happy and proud to say that there is over 500 miles on each vehicle and no engine light has come on.

    Gm’s OBDII design is very tricky and we are committed to some further testing before we can say that we have the engine light problem solved for sure. We would like to have up to 15 “Beta” test vehicles to further test these cats. If 15 more cars have the converters put on with no CEL (check engine light) issues we will be confidant in telling potential customers that they won’t have any trouble.

    We have our manufacturer making a special run of these “200 cell” stainless steel wound cats for us. We have these cats far overrated for this car and this additional “spray” (the catalyst rare metals) is what helps to keep the engine light off. We also have to use an oxygen sensor extender in the two rear O2 ports. The extender is a Solo designed product and is the final puzzle piece to keep the engine light off.

    Much testing was done to ensure that we were able to combat the engine light problem. We appreciate your patience and understanding during this phase. We know that many may not like the idea that only 15 will be released for further testing. This is being done to allow us the opportunity to “fix” any issues that may come up once they are on more peoples vehicles. We thank you in advance for your understanding.

    Price:

    $698 shipped (per pair)

    To order, please call Steve at:
    Steve Mariano
    516-655-9002
    (7 Days a Week, up until 12 midnight EST)


    Mach Shorty with HF Cats


    Mach Shorty with HF Cats II


    Mach Shorty with HF Cats- Drive By


    Mach with HF Cats- In Cabin- NO DRONE


    Mach with Cats- Undercar View


    Mach with HF Cats- Rev and Take-Off- In Cabin


    Mach with HF Cats- Start-Up and Take-Off- In Cabin


    Pictures





    Last edited by GOINGSOLO2; 01-27-2011 at 10:38 AM.
    Drive proud...enjoy GOING SOLO, and turn a few heads!

    Solo Performance Exhaust Sound Clips Compilation

    Steve Mariano
    SOLO Performance
    516-655-9002
    goingsolo2@hotmail.com
    http://www.solo-performance.com


  2. #2
    Addicted Member MAYBEN's Avatar
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    whats involved in being a tester?

    2009.5 G8 GT PBM W/ ONYX/RED INTERIOR PREMIUM PKG, SPORT PKG, SUNROOF, AND BLUETOOTH
    **SuperChips 93 RotoFab Tune **RotoFab CAI **Solo Mach Shorty Unbalanced Exhaust
    **20% Tint **6000k HIDs **Audi Style LEDs

  3. #3
    Moderator, Retired -Ray-'s Avatar
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    Nice work Solo.
    Rest in Peace Charlie!

    Sold


    Just a GT


    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

  4. #4
    Beyond Help mi04se1's Avatar
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    Quote Originally Posted by MAYBEN View Post
    whats involved in being a tester?
    If your talking about testing these, they have been out for awhile. I am one of the origional users.
    09 Liquid red G8GT
    VMS ecm/tcm 93 octane dyno tune
    8000k hid's
    Inalfa sunroof
    Mach Shorty, Solo HFC's, Kooks 1 7/8 LT's
    Rotofab cai & radiator cover
    BT from 09.5
    GXP fascia & diffuser
    BMR subframe connectors & bushings, diff bushings, trans brace, trailering arms
    13.207@107.11
    338 hp/337 tq

  5. #5
    Addicted Member MAYBEN's Avatar
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    Ooooo I thought he was looking for a couple more.. Oh well.. Thanks for clarifying that for me...

    2009.5 G8 GT PBM W/ ONYX/RED INTERIOR PREMIUM PKG, SPORT PKG, SUNROOF, AND BLUETOOTH
    **SuperChips 93 RotoFab Tune **RotoFab CAI **Solo Mach Shorty Unbalanced Exhaust
    **20% Tint **6000k HIDs **Audi Style LEDs

  6. #6
    Senior Member Belo's Avatar
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    also a little confused about the "beta" deal. Are you looking for guinea pigs or no? I'm in buffalo and if the deal is right I'd be willing to lend my car. Right now I'm rocking a stock cat, but am planning on getting a full catback soon.

    These mount to stock or any catback i'm assuming?

  7. #7
    VIP Member BlackGT5's Avatar
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    High flow cat beta testing was done some time ago. Group buy has come and gone as well.

    They mount to anything that the stock cats would.

  8. #8
    Senior Member Belo's Avatar
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    Quote Originally Posted by BlackGT5 View Post
    High flow cat beta testing was done some time ago. Group buy has come and gone as well.

    They mount to anything that the stock cats would.
    thanks. that's what i get for not looking at the op date. any data hp gain claims out there? point me to a thread?

  9. #9
    VIP Member BlackGT5's Avatar
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    IIRC, there was some debate on the actual HP increase. I stopped reading up on the HFC's when I decided to hold off on getting them. This thread seems to have the most discussion:

    http://www.g8board.com/forums/showth...light=SOLO+HFC

  10. #10
    #509 of FIRST 888 majesticix's Avatar
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    pretty significant. Vector equates replacing the factory cats with hi-flow cats + catback to a shorty header system. Long tubes net a wee bit more, though based on dyno results, not much more than 5HP give or take. It is a good option for those who don't want to mess with headers and get some real power that the cat-back just doesn't give. You'd be looking around 20-25HP increase with hi-flow cats and catback. Cat-back is especially important for the 2009.5 G8's since they have some extra secondary cats that have been show to be quite restrictive. The earlier G8's could probably get away with an X-pipe and see similar gains.
    2008 G8 GT #509 of 888 - Ignition Orange
    Performance: NEP OTR Intake, NEP Custom ECM/TCM Tune, VMS HSRK, Solo J-pipe Axle-back and X-pipe
    Appearance: 5000K HIDs, NEP Gauge Bezel, third_shift studios 888 Shifter Plaque, GXP Diffuser, 3.5" Exhaust Tips

    332 RWHP / 349 RWTQ
    Best 1/4 - 13.215 @ 105.17MPH, 60' - 2.01
    www.fourdoormafia.com

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