- FS: 2006+ Monte Carlo SS front spoiler/valence - $200 obo
- Hawk HPS Street Brake Pads
- a few things for sale
- Rotor question and if so anyone need a good used backup set of rotors
- Cat and mouse with a 5 series
- Everyone loves a parade.....
- need help
- Anyone know where the VSS Wire is?
- Question about Nitrous and other parts?
- For those who want Headers and new intake...
- 14.6...really????
- LS4 production numbers?
- We need to brainstorm...Trans. heat...
- how fast is a Monte ss?
- 160* or 180* t-stat
- Battery issue w 2008 GXP (still)
- Homemade Headers
- Whats the best Muffler?
- another exhaust question
- Widest Tires on Stock rims?
- Alternative intake setup?
- Labor for spring install with camber bolts
- Another wheel question....
- Killed a Vette this weekend!
- Interior noise
- buying brakes ?????
- Muffler Suggestions
- Project: GXP-TN2O (R)eserved has BEGUN!!!
- Funny song
- GXP meaning
- Spark Plugs
- I'm Back
- Bored..so I Made a new video
- When your New Girlfriend Meets your Ex....
- Turbo project and more..
- Diablo Sport Programmer for sale
- Farewell to LS4
- O2 sensor question (how many)
- Any Top Gear fans here?
- Check Engine Light.... Automatic Starter?
- Happy Fathers Day
- Back to the Track!
- The emblem I want on my GXP
- What do i need to supercharge my 3800
- what kind of oil should i use for the summer
- GXP Wheel Repair
- 2010 NO more LS4
- LS4 Cam ?
- SO...I thought I had a lifter going south...tap tap tap tap..but..
- GXP Trade in value
- Hope I didn't screw up!
- e-cutout installed
- GXPs with factory wheels that need tires check this thread out and save a few $$$
- GXP Demod Sale
- DIY intake
- The Carlo Crusader Pics
- my burnout
- Hogan DownPipe Rear Flange
- new rotors, pads, and painted calipers
- Have sold the 2007 Impala SS
- Entered my GXP in a burnout contest today
- wheel question
- Billet Grille Problem!
- Service Brake Assist over DIC???
- 2006 Impala SS Mufflers-Flowmaster
- Urgent help needed
- Summer Oil
- Wideband for sale
- Lowering question
- Will 04 Comp G rims fit my 08 Grand Prix GXP ?
- god awful fuel economy grand prix gxp
- the root of our Mod problems
- Illinois tint law may change soon!
- need some help
- how high should i set my revs
- Those of You Who Have Poly Dog Bone Mounts
- different remote range problem
- I had the brakes done and there is vibration
- **Garage cleaning**
- 3 questions from a newbie
- 2007 Impala SS
- new to site
- Hi from Iraq
- FS Cold Air Inductions intake
- Track Day
- Cold Start / Tranny Question
- Performance Parts I think this platform needs
- Heat Soak Reduction w/ nitrous.
- Few track vids...
- Smooth Intake Bellow
- 27th All G.M. Car/Truck Show & Swap Meet
- I lost to an 350Z
- LS4 exhaust manifolds WTB
- Removed my fan belt
- Heat soak Reduction Kit sensor location?
- **Sold car= parts to sell!!**
- Random Dents--08 Lacrosse Super
- I Need To Figure Out How To Work On My Engine
- think i can end heat soak with this idea
- new pics of my Grand Prix GXP
- Stupid Question on a Catless DP
- In car view from my racecar.
- Need some people to get tuned for a group tuning and dyno
- Vibration
- BuffaLOW...SS
- Best mods for top end?
- Play in the wheels, is it normal?
- I'm a post whore sorry! Car weighs 3580 without driver
- Will a 16 or 17" wheel fit the GXP?
- Been a while but I'm back!
- Selling some stuff.
- Oil Bearing Tests...
- My Car Went To The Dyno
- tires goodyear question
- ls4 oil problem?
- ALL GM Carlisle Anyone???
- rear tire problem
- Got to meet a member
- tranny issue with 07 impala ss
- Question about putting new brakes on.
- Aux input jack
- SSC Lowering Springs going on Sunday, but...
- Need brakes??? Buy your brakes here http://www.notasponsor.com/
- extremly strange dealer problem help!
- Someday the back of the GXP will look like this
- how much will stickier tires affect performance
- Tunning #'s please
- A couple clean pics and the cutout
- Photoshoot: Mr. Burns all clean and tinted!
- 08 GXP mods
- Chime in those timing/tune #'s on na
- McGwires paste gold class wax-the best
- E.t. of BONE STOCK 06 Impala SS
- Memorial Day
- Rubber Motor Mount
- So here is what i have come up with????
- Anyone interested in my set of Hoosier 245/35/18 tires pics excellent condition
- Doing some massive work to my car.
- Royal Purple soon to be in my car (see video on first page)
- New Rockers for our cars...
- My New Tires.
- Diablosport, sent this to Mike and I'm still waiting. Read this guys
- Power Steering Fluid
- doing a lot of work to my car and need some help asap
- Another Monte Carlo SS for sale!
- Help!!wet shot ls4 owners chime in please
- Tire Goo
- 2005 GXP cars read this Superchips has made support for our cars (getting test file)
- Head
- Blown tranny?
- IAT Temperatures
- Help with mufflers
- New member with question...
- Mpg
- SERIOUS READERS LONG!!(N2O/NA-TECH) #7 Plug FRIED!!!
- Question about head lights
- FS: Monte Carlo SS LOW MILES, CLEAN
- 2007 Grand Prix GXP 31k North Central PA
- Mechanical O2 simulator works! So far....
- Finally!! After 3weeks!!!
- MAF and Predator BRAND NEW
- First race in the new race car (circle track)
- 2006 impala ss preformance mods
- Electric Cutout
- Another Intake lol
- Turning Under radio opening to switch panel
- Happy my day at the track!
- DynoStorm. Check this out
- 2002 Monte Carlo SS Woes
- What is a good web site for parts?
- Ran 2007 Mustang cobra
- Is CAI ripping me off??
- lowering my gxp
- 06-07 Monte Carlo SS, collector cars?
- Black GXP rims
- Side Skirts (Rocker Panel Molding)
- Straight Pipes
- Hogan DP ?
- Tire opions.
- Will this fast 78mm intake manifold work?
- Cutout placement problems
- Electrical Gremlin?
- Battery issue w 2008 GXP
- Drag wheels/radials...specs? Where?
- Some Car Mods i have been working on.
- FS: 06 MC SS Stereo
- Hood protector - reinstalled
- LS4 Physical Dimensions
- Couple pics
- Cigarette burns :(
- .83 g's accel
- Warranty
- The final cam question...maybe
- cams on jegs
- 2006 impala ss
- trifecta custom performance
- Tire Dilemma
- Nos on a 3.8 series 2?
- Clogged sunroof drains?
- Selling LS4 Badge
- Participated in a parade today...
- Maf??
- why is the top end so bad? Will tune make it better?
- Selling some GXP stuff.
- It's here!
- Broken valve stem/TPMS
- has anyone supercharged the gxp?
- **Diablo tuner for sale!!**
- lets talk weight reduction...
- Getting rims and tires...want some feedback
- window tint
- Radio Porblem
- Bye Bye Impala SS
- Build Sheet / RPO Sticker
- Track Night
- Drag radials
- Stock Stall Speed ?
- Anyone willing to share a tune?
- Does anyone have a tuner on there LS4?
- Need tuning suggestions
- DEI exhaust wrap
- k+n intake
- Strut Tower Braces - Front Fitment Issue
- Auto start problems?????
- SSC Springs - get'em while they're hot!
- chuckling...
- anyone wanna take over my lease??
- New Track Footage
- Went to the races.
- The BEST tranny cooler?
- Got a Superchips Cortex programmer
- Water wetter
- need help deciding between 2 springs
- Quaker State Goes Unchallenged
- hey
- question about keyless+tire sensor
- Welcome myself......
- Bye, for now, LS4 owners
- A letter to GM
- Cross Drilled and Slotted Brakes
- Got a Superchips Flashpaq and talked to Mike at Diablosport
- Cold Air Inductions-GXP-intake for sale
- Synthetic oil?
- HUD in my truck
- stock rims tire sizes?
- Summit Fully Welded Mufflers
- My go at a Headlight Intake
- Anyone need a set of GXP tips...
- How do you all like your LS4 cars?
- Service writer nearly cried! (Long winded)