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  1. #1
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    GMCErica's Avatar
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    Default New Exhaust, need suggestions.....

    Hey everyone,
    As most of you know I am modded up my 2008 Envoy (V6), would like to get a new exhaust sometime this week, anyone have any suggestions:

    1) Catbac?
    2) Brand?
    3) Tip?
    4) Full exhaust?
    5) Best value..

    I was thinking a really nice Borla exhaust, maybe Catbac? what are everyone's thoughts.. .I welcome them all..

    Thanks Guys



    2008 GMC ENVOY SLT
    GT RACERS Black Diamond Grille
    | PIAA Headlights| BEAMERS Pro HID Kit 6,000K Diamond White |
    3" LiftMeister Body Lift Kit
    |Skyjacker Suspension| MagnaFlow Exhaust w/tip |Hella Supertone Horns| Blacked out Body


    "Silly Boys! Lifted Trucks are for Girls"
    "If you can't beat 'em, then your going to slow" :sign0081:

  2. #2

    Default

    on a v-6 id highflow catback it witha borla or a corsa... but thats just me.

    Alex


    2011 GMC Sierra SLE 5.3 Z71 4X4 Stealth Gray Metallic / 2004 Chevy Impala LS 3.8 Cappuccino

    Tow mirrors - Diablew Tuned - Flowmaster Regular 40 - Ready Lift 2.5' lift - BFG LT A/T K/Os - Carr Light Wing - TruckLite LED lights - Optima Red Top - 50% Front Window Tint - Line-X bedliner - Airaid MIT - Tekonsha P2 - ARS Billet Grill - Fia custom fit seat covers

  3. #3
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    Default

    Thanks Sierra! Knew that you would come through and gimme a great suggestion...

  4. #4
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    Default

    Anyone else any suggestions????

  5. #5

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    I'm V-6 stupid as I haven't owned one in well .. I've NEVER owned one, lol.

  6. #6

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    I had a Borla kit on a Jeep I had. I can not speak how it is for your particular app but I liked everything about the one I had. They spend a lot of time and money to ensure a good kit. If and when I get an exhaust for my truck I will go with Borla. Good luck and let us know what you go with.

  7. #7

    Default

    What are you looking for. Better performance? Better sound? Or both, theres a small amount of performance to be gained but your mostly going to get better sound.
    6's can be trickey to properly exhaust, I'd probably look at having something custom built from a local shop.
    I'd start with a Magnaflow muffler, they have an awsum muffler thats made for Mustang's and Camero's, gives out a nice deep sound almost like a V-8.
    It's a 1 into 2 config so it comes out as duals but doesnt hurt performance and MPG like you normally get by splitting 6cyl exhaust.
    Your present Cats, unless their high mileage are more than upto the job. High flow cats wont gain you much more than you already have unless your desire is to empty spare funds from your wallet. So leave them in place.
    Have the shop bend up 1 3/4 tube, preferably aluminium coated, from the exhaust to where you want your exhaust tips to exit then add tips of your choice. When choosing tips remember an exhaust is like a pipe organ, the length and style of the tips will change the sound, a long flared (for example 1 3/4" inlet to 3" exit flare) tip tends to make it slightly more tinny sounding where a short smaller diameter tip gets deep and gives off a better high end roar.
    Talk to mechanics at a few shops, they probably have a 6cyl or two around that they've changed the exhaust on. But also be careful they dont try to convince you a high end cat back is the only way to get good sound, they arent just mechanics their salesmen too.

  8. #8
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    Default

    Since I know you are located in Canada, I would go with stainless steel or at least aluminized pipes to hold up in the winter. Also I would look at Flowmaster or Magnaflow mufflers as some are stainless and the best quality for their price. Still I would (and I do) crawl underneath and paint them with some high temp pain so they last. I would go with custom exhaust verses a kit because the quality of work is a lot better (depends on shop) and will last longer as well. I would go with mandrel bend pipes personally. High flow cats really don't show much improvement all around, and cost more than they are worth.
    Objects in mirror are losing

    2003 Chevy Silverado Z71, 5.3L, K&N 57 series, 2.5'' Flowmaster Super 10 series dual exhaust , Corvette Servo, McNew Automotive Dyno tune, SS gauge cluster, Extang Trifecta Tonneau, Pacesetter shorty headers, Goodmark cowl hood, Sony Xplod speakers, Kenwood DDX-470 exhaust tips, 16" Ultra Badlands polished wheels, Pirelli Scorpion ATR .

  9. #9

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    Magnaflow and JBA are the ownly companies that I know off that make a cat-back for the 6 cylinder Trailblazers and Envoy. We have the Magnaflow on mrs.silveradotrailblazers truck.

    ---------- Post added at 04:34 PM ---------- Previous post was at 02:46 PM ----------

    Also, StainLessWorks makes a exhaust and header for your truck.
    :cool:

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
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    One black Lab in rear seat.
    :glasses:

  10. #10
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    Default

    You guys are awesome! Those responses were way more then I thought that I would get.. So I am going to one shop tomorrow and get some information and then I am going to do some more research... You guys gave me more to think about.. I was always going to go with Stainless Steel, you have to up in the Arctic! lol and the rest I will do some searching, talking to the guys at the shop.. They wont sell me things I don't need, I am car girl...Not a groupie! haha
    THANKS AGAIN! You guys Rock!!

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