View Full Version : LS4 Performance
- Track is open!!!!
- Quick picture on my morning drive
- Tuning for low speed driveability & acceleration
- Gauges for an Impala SS
- motor mount replacements
- so im looking at getting a 2006 SS
- Trans Cooler
- a pic please
- I Got a new car!!
- Downpipe fyi
- Old vid I found
- Camaro SS Replica Wheels
- My first race in the SS
- anyone su cessfully swap to larger maf sensor?
- Mufflers
- New to the Forums
- Picked up the replacement to my GXP
- only getting 11mpg now that i installed my k&n intake?
- hids for 07 impala
- time to say good by
- New Member....kinda
- "dead" pedal issue...
- G8 gxp
- 05 gxp aftermarket headunit help!!!
- any one else killing motor mounts?
- what kind of hwy mpg can I expect with DoD back on?
- transmission warranty Q&A
- 2008 GXP bone stock looking to get started
- Raced a Impala SS
- Where are all the New Caprice police cruisers?
- Wtf......
- Rear tire rub
- LSx TSP 7.400" Pushrods ?
- FS: 2005 GXP, 58K miles, $13.5K w/ Bonneville GXP Rims, $12.5K w/stock wheels
- WTB: hp tuners
- K&N Cold Intake Feedback
- Diablosport Predator questions. 06MonteSS requested.
- Kill story
- valve body
- o/t Stop Kony
- [How-To] GXP Fender Vent LEDs
- map of members
- gxp turbo
- Impala SS 30 - 100 MPH
- Homemade Shielded/Insulated CAI
- Aftermarket wheels: Let's see them!!!!!
- Exhaust Clip
- Dead Muscle Car Era
- Projectors?
- Damn women drivers!!
- A sad story.
- Anyone have access to a FAST LSXr 102mm Intake?
- Replacing thermostat
- Ignition wire scam on ebay
- Well its time to say goodbye
- Will LS4 fuel rail fit on LS1/LS6 intake?
- Raced a GTO
- 2006 MC SS factory wheel offset
- 2006 Monte SS FOR SALE - Check out my Classified!
- led reverse lights and license plate
- ls4 supercharge
- dropped the pan today
- Parts For Sale
- DR STBs torque specs?
- Kill Story 350z
- Bad ball joints and Tie rod ends?
- What did i need to run mid to low 13s?
- question on water pump replacement
- Performance Mods
- LS4 Exhaust Stock & Aftermarket
- Resonator flange
- Bilstein Question
- Noob trans question
- Selling the GXP
- 6T75 with a 5.3L H.O. Aluminum truck based motor??
- weird trans vibration when coming to a stop
- Stock Resonator exhaust tips???
- Need help
- Head Gasket and Valves
- R.I.P Mr. Battery
- leaking coolant pump
- Is it absolutely required to pull the heads to swap cams & delete DoD?
- Increasing displacement
- Any Feedback on the Dr. X or X-Link module?
- Broken spring carnage and new engine pics
- Trans having issues
- Could find out if TEP trans are worth it
- Factory Impala SS spring rate?
- biggest tires?
- My first race...
- gasoline cal-cat
- What have i got myself into?
- Another LS4 escapee
- LS6 springs / Roller Rockers
- Been a long time
- New Pics (got rimed up)
- Cracked dash pad? (2007 GXP)
- For MC SS Drivers. No need to delete DOD
- X-Post from GMLS4 - Probably gonna be a little loud...Exhaust Project
- Need to find the right springs
- transmission options
- Need some help guys
- lost the rocker panel....
- Mufflers
- Doug Thorley Flex Pipe
- Flowmaster inlet size
- funny story...
- gxp value?
- ls4 motor questions
- Rattle while coming to a stop, gone when driving off..
- Free XM?
- Any ls4 peeps here in Indy surrounding areas?
- looking for a tuner in cleveland area
- 3/8 or 5/16 pushrods
- Group Purchase on headers
- best rotors and pads for the money?
- cutting off stock mufflers
- Blacked out the grille chrome and added the SS emblem
- Big 3 Upgrade
- My Crazy Headlights. *new pics*
- Tire pressure sensors
- brakemotives drilled and slotted, pics on monte
- Warranty Issues.
- how quick are 2012 Impalas?
- resinator removal
- Factory Remote start question
- GP GTP vs GP GXP
- Midwest IRS Shootout May 5th in Wichita KS
- Welp, it's been fun. . .
- What other GM shifts knobs fit the 06-11 impala ss?
- SSX emblem??
- HF Cat options
- GMLS4.com is Again Available!
- First post, debating getting special plates, any recomendations?
- ls4 performance chip????
- Trinity E67 Support for 07-09 LS4's is here!!!
- Back from the shop
- rocker help....
- income tax $$
- 2006 Impala SS opportunity
- GMLS4.com Website Status
- Hood is finally finished, striped and done.
- What is a resonator delete?
- Quieter mufflers???
- Just found out the bonneville gxp is not an LS4
- What is so "outdated" about the Impala styling?
- possibly getting rid of the gxp
- Spark plugs
- HID problems with daytime running lights
- Advice From Diablo Predator Experts .
- Should I get the aftermarket grille or OEM
- Recurring Wheel Bearing Problems?
- Just installed my new Dynomax VT mufflers + Video inside!
- New to forum / Photoshop?
- noob questions
- Removing Rear Emblem
- Pictures!!!
- Gxp home from Dealer
- Lt and St FT problems
- New User, First post
- It's official
- Got my SS front emblem on!
- Spotted a Super! (Pics)
- oil cap
- plastidip questions
- tax return mods
- pontiac
- squirters randomly stopped working
- Pillar Pod
- Think I have to sell the GXP, any interest?
- Trans update
- turbo opinions....
- Tuning out DoD/AFM...
- new to the site
- Raybestos Z-Pack, GPZ100
- Anybody Seen These Headers?
- Possible new car
- ddm low beams 08 gxp issues
- I guess I'll go ahead and tell the story...
- Tail light went out after installing new headlight bulb!
- oil psi
- Transmission smh
- Factory NAV Experts step inside please :-)
- cant decide between these two valve springs
- New to Forum
- keep or get rid of gxp
- Lifter (?) Chatter ONLY when switching from 4cyl to 8cyl mode
- Wish me luck!!!!!!!!!!!!!!!!!!!!!!!!!!!
- Painted stock head lights...
- Come see the new and improved GMLS4.com!
- few Questions about brakes,exhaust,springs
- Just bought myself a new toy!
- Brake Questions
- projected hp?
- Just bought 08 GXP - Exhaust, Intake, Tune - What else?
- Airbag Light came on
- LS4 Feel Good Story
- Ticking Lifter.......
- Lowering time
- Where Can I find a 17" dr rim?
- Drivetrain "clunk" at highway speed
- Another Tranny Bits the dust
- Looking to join the LS4 group!
- Dexos1 oil
- Photo Request: Cold Air Inductions CAI Installed?
- Is it ideal to switch to synthetic after 100k?
- New Guy with a Monte
- Whats needed to drop 08 impala ss
- anyone have pics of 06 and up impala black headlights?
- GXP OEM NaV install - where to find VSS wire ?
- Motor mount and hub bearing question
- car wont start and I have a red top. . . HELP
- Sheared Front Motor Mount
- Broke a valve spring. Not looking good@
- Custom Painted Hoodliner
- GXP ~ In over my head?
- Advanced LS4 Tuning Information
- Which do u perfer? Exhuast
- MPD Hood
- '07 Impala SS tune up questions
- Michelin Pilot Sport A/S Plus or Potenza RE970. Opinions?
- Looking for NAV antenna, disc and book - cheap
- Water pump location
- RPM & Speed correlation
- P/N for Trunk Release Actuator?
- Guess who's back!! Yes, I bought another GXP!
- SS Badge
- Transmission Fluid Change
- 2.5" Magnaflow Video Clip
- stock spring versus ls6 question
- P0449 Error Code
- Hogan DP question
- Start up problems
- Ls1 intake no egr
- Lost tpms and remote
- Replacement exhaust pipe only?
- someone stole my grille....
- horn has stopped working
- so traction control can not fully be turned off?
- Fuel question
- Where is a good performance transmission rebuilder
- These are what I was cutting 1.9s on.
- i need some help for a Tranny for an 06 imp SS
- Magnaflow cat backs are they worth the $$$$
- I Need More Banners!!!
- Steering noises =/
- Sold my GXP
- slight shutter/rpm jump when slowing down.
- previous owner???
- LS4 mini shoot