View Full Version : LS4 Performance
- Upper Motor Mounts...Which is best??
- custom steering wheel emblem
- strange exhaust sound
- What Shift Kit for GXP?
- For those who think our intake is restricted
- Gone
- Torque Converter Problems
- In the market for new mufflers
- Wider rear tires for GXP...for the look
- For you Cali guys: new HOV lane sticker
- V8 Fiero with an LS4
- gxp led tailights question...
- F/S hogan catless DP
- Ragin Racin is South Louisiana Lafayette, LA
- How Wide Can I Go?
- Help!!
- Lighting questions
- How much does a tranny cost?
- GXP Fog Light Help
- Changine the Radio
- Headers....but need 30 people.
- opinions on race seats
- Launching...
- HIDs for aftermarket halo headlights
- Electric Cut out
- A Couple Tire Questions
- muffler thoughts
- so what the word on the new SHO boys?
- Huge Car Cover Sale....
- Did a little work
- 06 impala ss
- 9006 to D1S bulb adapters?
- video of Dynomax Ultra-flo's/no resonator
- 08 GXP anyone?
- anybody see these headers
- traded GXP for modded 95 civic.
- So batteries do explode after all lol
- ChromeIntakes on Ebay.
- Been a while parts that will be going...
- Rebuild Questions
- GXP Tapshift
- Negative Camber ad Winter Tires
- Electrical Problems
- HPTuners
- need you guys help.
- FS: K&N Intake and 2006 LS4 ECM/TCM
- Axle Repair
- Anyone buy from brakeperformance.com...and have some mileage on the products?
- will straight pipes throw engine light
- Custom engine covers
- Brakes
- Drive belt replacement] "Maybe Stickey"
- Modified GXPs Air-Box
- STB's for sale
- Got it narrowed down
- LS4 headers
- Pics from a car meet last night (lots of them)
- New LS4 Owner! I Got Questions...
- Hogan DP and Tuner
- genesis coupe
- (Experts only, ahem Mixerda) About to order cam and heads
- Serpentine belt replacement
- ???
- Awd!!!
- black bowtie
- black bowtie
- Used tires P235/50/R18 for sale
- traction control issues..
- New personal best at the 1/4, finally 13s! *UPDATE 11/7*
- battery dead but why???
- Red Lining
- Pretty cool, take a look
- good hid kit for gxp?
- Magnaflow Resonator
- 06 ss exhaust clip
- 2008 LS4 Dyno Tune Results
- Hyperactive DOD and lazy OD
- New PB!
- slicks
- 2004 Grand Prix DTC P0741
- How Often Does This Happen To You?
- Track on Cold Days
- Cause of battery failure???
- Ok, Can someone explain this to me?
- MSP Poly Motor Mounts
- New tire ?
- Oil leak under boost
- Today Was Not A Good Day
- Need a favor of a VIN check.
- Door locks.service traction any ideas..
- Monte SS Rear Spoiler/Front Clip on Imp SS
- 1998 Pontiac Grand Prix GTP Supercharged
- Downpipe F/S
- Think i messed up the computer?
- Exhaust Tips
- Which was more of a Muscle car 85 or 06-07
- HP Tuners LTFT
- Edelbrock Pro Flo Intake
- PCV Valve?
- Parts for sale
- Strange clackety noise...
- Would These Work On My Car?
- any one have lifter tick and oil consumption problems
- time to cam?
- Sudden overheat issue
- Thanks everyone for your knowledge
- Wood Grain Dash
- cammed gxp now has an LS2 intake!
- starting problems
- Stock GXP Exhaust
- plug wire advice
- Monte Turned 90 ...
- dead battery?
- WTB MAF Screen
- Interchangable parts
- Track Time Again and In Need of Input!
- Slapped on an LS4 emblem!
- Goodyear Eagles F1 put on today
- Hot air intake
- 2008 gxp
- 235/55/17 Dunlop Wintersport M3's for sale in Toronto, ON
- Exhaust concerns
- Just bought a 05 GP GXP, why no mods?
- new member
- Looking for 13's
- traction issues lol
- Member from Dallas needs info
- Motor Mount
- Question regarding Comp G 17s on 2008 GXP
- Its breathing!!!
- My First Car Show With The GXP **Heavy Pics**
- Goodyear Assurance TripleTred
- Onstar back up battery?
- Water Pump - How hard to DIY?
- Need seat advice
- Finally got her cleaned up!!
- 09 Impala SS ?
- factory oil pressure sensor location?
- GI: ECM/TCM from a 2006 Impala SS
- TCM trouble in LS4 with K&N air intake?
- Give me some advice
- Factory Service Manual
- Bad gas mileage in my '06 GXP... HELP!
- first time at the track
- 2 questions on my 08 GXP
- handling...
- Catless with cutout?
- Opinions on custom GXP grills
- would this work for our cars??
- K&N Drop In ??
- Check oil/low oil light issue
- Exhaust Sound
- Proud new member! '05 GXP
- Moving Cutout Placement???
- High Temp Adhesive
- Who else worked
- Very wierd engine problem :( LONG READ
- Replacing battery cable terminals...
- Down on total power...any thoughts?
- Some Kill videos for you guys
- Not sure what caused this...
- LS4 intake A-B comaprison from unported to ported and tuned
- Brake Help
- Who is currently cammed???
- edelbrock coil covers
- ???
- Track tonight
- cutout Q's??
- ZZP STB Question
- Stock muffler dimensions
- 409 Taylor Wires
- LS2 Valley Cover - DOD delete
- Intake Options
- New Home Made 1.5" TB Spacer
- ABS, traction control and stability control warning
- Another Delco dies...
- Proud New Impala SS owner
- GM Newbie here.
- Superchips Cortex 1/4 mile accuracy
- Pushrods: 5/16ths or 3/8ths?
- For the GXP owners...
- How many LS4's do we have from Springfield, MO?
- Aftermarket Hoods for the 06+ Imp
- Well, my trannie died (blah blah blah) 87k
- Selling my car
- A Couple More Things I Need Cleared Up
- Calling rental owners
- EVAP major leak
- Anyone need a pair of stock rear springs?
- Rockin' the SHO!(first kill)
- gas smell near rear tire passenger tire / check engine light
- Photoshop anyone?
- Mustang kill in Mexico
- MUURRDAHH! kinda..
- LS4 airbox
- plug advice sprayed
- What Stock hoods fit my GXP?
- 1st Tranny down
- Got her last night
- Charging system failure please help
- Feeler: K&N intake FS -less than 2,000 miles
- GM Part number for 9C1 wheels?
- Bolt pattern
- STS Turbo
- What do you guys think
- Some pics for ya
- Outer Diameter or our MAF's
- Pics and some thoughts
- Just installed the $215 eBay Drilled-Slotted Brakes
- Whats it worth? Car lot pricing-what to offer??
- Help me out ls4 guys!!!
- Lowered the Monte! need a fender roller tool!
- Looking For Used Parts
- What size throttle body bolts?
- New Exhaust Note
- Got my SHorter Dogbone, One Question
- LS4 belt tension
- CAM trigger wheel cam sensor?
- Anyone want my catless DP? Cheap.
- Crankhaft Pulley wobble...Crankshaft balancer replacement
- ran my friends 06 EVO MR
- Anyone getting rid of decent 18" tires?
- Removing Cowl Weather striping
- What would cause noisy lifters when cold?
- what should i make with the lazer cutter
- weird issue.
- Sway Bars
- Ran a Mach 1
- Tuning Issue attn:HP Tuners
- Best place to buy SSC Springs?
- Pontiac Nationals **Heavy Pics**
- Radar Detector and Stuff
- 2005 GXP for sale!
- Rain Rain Rain
- putting on my flowmasters and tips, say it aint so
- Grand Prix GXP 18" wheel replacement to 16"
- Quick Brake Job Question
- some battery removal questions
- Headlight Question???
- Question fellas???
- Top Gear Fans? Jay Leno?
- SoCal Guys--LS4 Meet Sunday August 9th
- pics of the SS
- Pontiac Nationals At Summit (Norwalk, OH)
- 6 CD changer radio Swap
- Vibration in vehicle w/ new wheels.
- Crankshaft reluctor wheel teeth?
- Gauging interests: Various items
- wheels for 2008 impala ss
- What is the fastest LS4?