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  1. #1

    Default New member i have a 2008 silverado and im trying to see what would be my next upgrade

    i have a dropped silverado v8 4.8 engine. 22 in rims with a sound system and custom bumper. what do you guys think i should do next to my truck, i wanna make it faster but dont know what should i start with. Any suggestions?Click image for larger version. 

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  2. #2

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    First off welcome to the club.

    Second, the most common things are intake and exhaust followed by a tune. As far as tunes custom is better than run of the mill generic store bought one. @06MonteSS on here sells custom tunes (diablew tunes). There is also blackbear which is an ECU swap tune. Both are vendors on here.

    Also if you repost the question in the performance section you will get more replies to it.
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  3. #3

    Default

    what would be the best intake? i hear the k&N is really good?

  4. #4

    Default

    Quote Originally Posted by Chr1sL View Post
    what would be the best intake? i hear the k&N is really good?
    There will be plenty of opinions. Voolant, K&N, Airaid, Banks etc. I have had an airaid and ended up keeping the tube and putting the stock box back in with an AMSoil filter in it. Got tired of getting water in the intake with the CAI. I still can get water in the box but its easy to throw in a cheap paper filter to go play in the water/mud then drop in the AMSoil when I am done to have a high flow with higher filtration as compared to the k&n and airaid. Still throw around the idea of a banks system or Voolant who both use sealed boxes. With banks they are expensive but they sell the intake headers and exhaust and have a proven track record.

  5. #5

    Default

    I've had 3 NNBS Silverado trucks, the first having a 4.8 and the others with the 5.3 and I've used two different types with similar results from both.

    In my 4.8 I had an Airaid CAI and got great results from it. It's a wet filter element, just like a K&N
    In my 2009 I used the K&N kit and in my 2008 now I have the Airaid again.

    The only difference I've found between the two kits was the price. Airaid was cheaper for basically the exact same thing you can get from K&N.

    "If you're not living life on the edge, You're taking up too much space"

    "Truck Norris"
    - 2008 TX Edition Silverado
    - McGaughy's 4/5 Drop Kit
    - Apline Type R 10s & Amp
    - Pioneer 6 Disc Touchscreen Deck
    - Nightmare Breed Motorsports custom tune
    - Custom 3" dual exhaust through x-pipe dumped at axle
    - Airaid CAI
    - Badges and molding removed, roll pan, Truxedo roll-up cover (compliments of GMTC!), 3pc billet grille, factory fogs upgrade
    "Kristine" - 1991 Nissan 240sx
    - Cut to pieces, LS build pending

  6. #6

    Default

    Chr1sL,

    Hello and welcome to the forum! I just wanted to stop by and let you know that GM Customer Care is here on the forum. We are happy to assist if you ever have any general questions or concerns about GM products. We are only a private message away!

    Safe travels,

    Jennifer T.
    GM Customer Care

  7. #7
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    Default

    Welcome to the Club!!!

    How much $$ are you planning on spending?


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  8. #8

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    Without some engine modifications (exhaust, cam, headers, etc.) a tune only is not going to make your vehicle that much faster. A tune may gain you ~15HP at best, but I doubt you'll feel the difference.

    A tune designed with 93 gas in mind will net you better HP gains than a tune with 87 octane.

    2013 Silverado LTZ White Diamond Crew Cab


    Mods:
    Advent OGM1 Navigation
    Husky Liners GearBox Underseat Storage
    Airaid MIT
    EGR Rail Caps
    K&N Air Filter
    Flowsound 40 Muffler
    Hypertech Max Energy Tune (only top end limiter removed and AFM disabled)
    Chrome Tailgate Handle Cover
    TonnoPro HF-155 Tonneau Cover
    WeatherTech Front and Rear Splash Guards
    Husky Liners X-Act Contour Floor Liners
    WeatherTech Side Window Deflectors

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