View Full Version : LS4 Performance


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  1. Trunk Mount battery tray?
  2. LS4 2011 Calendar Shipped
  3. Any NASCAR fans out there?? Favorite driver?
  4. LS4 2011 Calendar Shipping
  5. Trailblazer SS pics
  6. Rep the LS4!
  7. Stocking Stuffer Ideas Please
  8. LS6 Intake just landed in my lap
  9. Going under the knife!
  10. Traded the Monte in tonight ... lol
  11. springs
  12. Gauge overlay install..............but I have a problem!!!!
  13. P0521
  14. ssc springs
  15. Another Slipping GXP Transmission- CAI affect Warranty?
  16. Saw a race last night
  17. Need Stock SS Wheel Specs
  18. Mustang Wheel Pics
  19. Superchips cortex 2950 ??
  20. What to do to a 2006 Monte Carlo SS 5.3L
  21. P/T jobs. Who's got 'em?
  22. LED taillight flasher fix!
  23. 3.29s or 3.69s?
  24. Flipped Motor Mount
  25. Trans
  26. Very O/T: Who's your cell provider and what's your speed test results?
  27. Wrecked and some what fixed SS
  28. People with metal catch cans...
  29. 4T65E-HD Delayed engagement fix
  30. Oil burning TSB
  31. Impala modded up - 6.0L, RWD swap!!, cost a lil over 20k
  32. O/T** POS Rental Cars
  33. safe to drive on trip
  34. Resonator Removal Questions
  35. Need your opinion
  36. quick question,
  37. Trans problem "HELP"
  38. Bumper decision for my single exhaust?
  39. Is This Worth $5,000 lol
  40. Spotted a LAX super yesterday!!
  41. Holley LSFest 2011 - Who's going?
  42. LS4 2011 Calendar Proof
  43. Wonky heating & cooling
  44. drag radials
  45. Just got the car back...
  46. exhaust ?
  47. Cranking noise when i turn on my gxp
  48. Vent thread. Front wheel hubs went bad.
  49. Rims for my GXP
  50. Anybody interested in a DIY Coilover kit ?
  51. Bilstein Struts
  52. I weighed my car yesterday/winter blend
  53. Cleaning: tire dressing and interior cleaning
  54. New DD impala
  55. 225/55/18 all around?
  56. First big run
  57. Stock Nav System
  58. Help Please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  59. Strut tower brace
  60. battery issue
  61. HVAC Lights
  62. New shell race gas
  63. Stock cam HP dropoff
  64. ls1 intake
  65. GXP 255 guys ?'s
  66. Thanks Joeiles
  67. Advice on getting better mileage?
  68. Dead battery, ugh!
  69. exhaust project
  70. free GXP magnaflow exhaust
  71. choice to be made
  72. Someone help i got a issue with my grand prix gxp
  73. Before and after dyno numbers (headers)
  74. winters coming
  75. Americas LS4 2011 Calendar
  76. Add me to the tranny list
  77. Intake and Exhaust Manifolds
  78. Is it possible to run 305s?
  79. ecutout blowing fuse
  80. downpipes
  81. About to buy a GXP
  82. Converted my car to a cheap Impala LS
  83. Scuffed an Alcoa
  84. Any one had any luck.....
  85. Installed DDM HIDs 35w 5000k
  86. Well, think I spoke to soon.. tranny acting up this morning... uugghhh!!
  87. MissingThread
  88. DOD AFM question
  89. An alternative for those with problems with the window pillars...
  90. Tint: 35% front doors, 20% back doors, what % rear? Pics?
  91. dynomax catback for GXP??
  92. interior question
  93. Well... it finally happened....
  94. Strut help!
  95. e85
  96. low buzzing noise from dashboard
  97. Americas LS4 2011 Calendar Question
  98. O/T 280zx restoration
  99. early X-mas present and early Shit-mas present
  100. what you guys think about these?
  101. running lean
  102. ls2 intake?
  103. Need INFO ON this person
  104. ram air hood
  105. Code on GXP
  106. sweet commercials
  107. Anybody else having problems with LS1Tech?
  108. thinking about running a 75 shot
  109. Mach 1 Race
  110. change the lean situation
  111. Lucky me, unlucky Mustang
  112. Project 2005 GP GXP
  113. Calendar?? did it ever get printed?
  114. programmer for 05?
  115. Which size rim....
  116. Build Update
  117. Transmission...what parts to get
  118. help? car wont start...
  119. GXP Grill removal
  120. thanks
  121. superchips 2865
  122. DP You were right
  123. Need opinion's
  124. Driving lights? You'll love this...
  125. need help finding some exhaust parts
  126. ZZP Shift Kit on Sale Black Friday
  127. black friday deals at wbodystore.com
  128. Need some wiring help!
  129. Someone help ASAP please. Belt tensioner
  130. Racing on the 215
  131. How many of you guys spray??
  132. GXP Fender Signal Write-Up
  133. What to get for X-Mas for the MC
  134. coolant leak HELP!!!!!
  135. I am new - and i have been on other Forums
  136. 255 45r18 on a Monte Carlo SS
  137. Happy Thanksgiving
  138. I have a crazy idea....light-up portholes!
  139. Injectors, where to buy?
  140. O/T: This '00 GTP worth $500?
  141. Did your parents have cool cars when you were a kid?
  142. Pimp (un-Pimp?) my Buick!
  143. Pirelli Pzero Nero All Season 235/50/R18
  144. Just bought some DDM HIDS
  145. Transmission line leaking. Help
  146. I raced a CTS-V
  147. Why did the LS4 have to go away?
  148. Trans shudder
  149. Anyone have this problem?
  150. help, smoked another convertor
  151. Off Topic: Winter project car
  152. 3800 V6 Explosion?
  153. FINALLY gonna dyno Paula
  154. Time to go...
  155. Yenko Camaro
  156. Hornblaster Horns Installed on Impy SS
  157. Tire size
  158. Hey!!
  159. Lumbar Problem... intelligence needed!
  160. Off Topic, buddies 2011 5.0 runs 12.1 stock
  161. Stock Down Pipe
  162. Anybody NOT activate the OnStar?
  163. Mileage
  164. Thinking about buying this car...
  165. dumb question i need help with
  166. Factory Navigation Update
  167. alcoa wheel
  168. Need some advice....
  169. Redoing my exhaust as well.
  170. 40 series flowmasters
  171. LED Lights
  172. raced a g8 gxp and grand prix gxp
  173. Today Was A Good Day
  174. Had some fun raping a R/T Challenger.
  175. GM Heritage Center Free Restoration Information Kits
  176. HID HELP for GP
  177. quick manifold swap questions.? LS1
  178. ls4 mod, tune, swap, add-on questions
  179. A picture to share
  180. Different color front parking/signal bulbs
  181. Cleaning the Rotors?
  182. Been a While!!!
  183. 2nd to 3rd shift
  184. factory monsoon stereo system glitch
  185. Navagation Retrofit MCSS??
  186. 4T65E-HD Slips off the line
  187. monte ss vs camaro llt or v6
  188. spare tire?
  189. Dual Climate zone issue
  190. Hood Questions MC SS
  191. 1st drag pass in the Buick
  192. Going after a friends RT. need suggestions
  193. dog bone and poly mount
  194. does tire repair kit ruin tpm?
  195. Track results
  196. well guys i think the tranny may be slipping??
  197. dumb thing i did
  198. A New friend
  199. GXP vs Mustang animation trash talk
  200. them halo headlights!!
  201. bridgestone 960 pole positions
  202. A little Rage!!
  203. I need Magnaflow pics
  204. Running Rich
  205. New GXP, Tuning Problem
  206. Resonator??
  207. Jet Performance chips
  208. Eagle RSA vs Goodrich G Force KDWS
  209. Running lean??
  210. hankook tiers
  211. Finally Got Tinted!!!!!!!!
  212. Heated Seats FTW!
  213. Cheap price HIDs
  214. 2005 gxp tune questions
  215. Ls4 Shirts! Almost gone!
  216. After Cleaning MAF, whats proper way to reset.
  217. little tiny scratches all over top of GXP's headlamps?
  218. Dont kill me, but I have an LS1 intake swap question
  219. Diablosport Predator vs Trinity
  220. Hood Insulator?
  221. AutoX Videos
  222. 3.29s or stock?
  223. Trans Shift Kit Help!!!!
  224. Transmission Cooler - MUST READ
  225. Spina Bifiada Carshow
  226. What kind of plug wires do you run
  227. shift kit
  228. Mounting Transmission Sensor
  229. Finally in the 13's
  230. DT Headers or Hogan DP?
  231. DOD Light
  232. Brakes: Just noticed this today
  233. Wiring Colors and Locations
  234. Headlights cloudy
  235. Battery: Current draw???
  236. stupid question.
  237. I googled
  238. Navigation in GXP
  239. Turbo timer
  240. exhaust/fuel question
  241. Possible Solution to the 4 CYC Rattle Issue
  242. Something GOOD can get BETTER
  243. Buy a GXP?
  244. 2008 GXP Paint Code
  245. Creaking GXP Sunroof, suggestions ?
  246. any info on a Throttle body spacer
  247. another new guy with the MCSS
  248. Dyno Tune Michigan Area
  249. tranny slippin
  250. You might own a LS4 if....