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View Full Version : LS4 Performance

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  1. Latest pictures, and video of exhaust
  2. Tuning in Michigan?
  3. Just The Tip
  4. Part # needed
  5. Had the Windows Tinted!!! "PICS!"
  6. o2 simulator
  7. manifold porting and ceramic coating
  8. Cylinder 1 misfire
  9. Trunk Mount battery tray?
  10. LS4 2011 Calendar Shipped
  11. Any NASCAR fans out there?? Favorite driver?
  12. LS4 2011 Calendar Shipping
  13. Trailblazer SS pics
  14. Rep the LS4!
  15. Stocking Stuffer Ideas Please
  16. LS6 Intake just landed in my lap
  17. Going under the knife!
  18. Traded the Monte in tonight ... lol
  19. springs
  20. Gauge overlay install..............but I have a problem!!!!
  21. P0521
  22. ssc springs
  23. Another Slipping GXP Transmission- CAI affect Warranty?
  24. Saw a race last night
  25. Need Stock SS Wheel Specs
  26. Mustang Wheel Pics
  27. Superchips cortex 2950 ??
  28. What to do to a 2006 Monte Carlo SS 5.3L
  29. P/T jobs. Who's got 'em?
  30. LED taillight flasher fix!
  31. 3.29s or 3.69s?
  32. Flipped Motor Mount
  33. Trans
  34. Very O/T: Who's your cell provider and what's your speed test results?
  35. Wrecked and some what fixed SS
  36. People with metal catch cans...
  37. 4T65E-HD Delayed engagement fix
  38. Oil burning TSB
  39. Impala modded up - 6.0L, RWD swap!!, cost a lil over 20k
  40. O/T** POS Rental Cars
  41. safe to drive on trip
  42. Resonator Removal Questions
  43. Need your opinion
  44. quick question,
  45. Trans problem "HELP"
  46. Bumper decision for my single exhaust?
  47. Is This Worth $5,000 lol
  48. Spotted a LAX super yesterday!!
  49. Holley LSFest 2011 - Who's going?
  50. LS4 2011 Calendar Proof
  51. Wonky heating & cooling
  52. drag radials
  53. Just got the car back...
  54. exhaust ?
  55. Cranking noise when i turn on my gxp
  56. Vent thread. Front wheel hubs went bad.
  57. Rims for my GXP
  58. Anybody interested in a DIY Coilover kit ?
  59. Bilstein Struts
  60. I weighed my car yesterday/winter blend
  61. Cleaning: tire dressing and interior cleaning
  62. New DD impala
  63. 225/55/18 all around?
  64. First big run
  65. Stock Nav System
  66. Help Please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  67. Strut tower brace
  68. battery issue
  69. HVAC Lights
  70. New shell race gas
  71. Stock cam HP dropoff
  72. ls1 intake
  73. GXP 255 guys ?'s
  74. Thanks Joeiles
  75. Advice on getting better mileage?
  76. Dead battery, ugh!
  77. exhaust project
  78. free GXP magnaflow exhaust
  79. choice to be made
  80. Someone help i got a issue with my grand prix gxp
  81. Before and after dyno numbers (headers)
  82. winters coming
  83. Americas LS4 2011 Calendar
  84. Add me to the tranny list
  85. Intake and Exhaust Manifolds
  86. Is it possible to run 305s?
  87. ecutout blowing fuse
  88. downpipes
  89. About to buy a GXP
  90. Converted my car to a cheap Impala LS
  91. Scuffed an Alcoa
  92. Any one had any luck.....
  93. Installed DDM HIDs 35w 5000k
  94. Well, think I spoke to soon.. tranny acting up this morning... uugghhh!!
  95. MissingThread
  96. DOD AFM question
  97. An alternative for those with problems with the window pillars...
  98. Tint: 35% front doors, 20% back doors, what % rear? Pics?
  99. dynomax catback for GXP??
  100. interior question
  101. Well... it finally happened....
  102. Strut help!
  103. e85
  104. low buzzing noise from dashboard
  105. Americas LS4 2011 Calendar Question
  106. O/T 280zx restoration
  107. early X-mas present and early Shit-mas present
  108. what you guys think about these?
  109. running lean
  110. ls2 intake?
  111. Need INFO ON this person
  112. ram air hood
  113. Code on GXP
  114. sweet commercials
  115. Anybody else having problems with LS1Tech?
  116. thinking about running a 75 shot
  117. Mach 1 Race
  118. change the lean situation
  119. Lucky me, unlucky Mustang
  120. Project 2005 GP GXP
  121. Calendar?? did it ever get printed?
  122. programmer for 05?
  123. Which size rim....
  124. Build Update
  125. Transmission...what parts to get
  126. help? car wont start...
  127. GXP Grill removal
  128. thanks
  129. superchips 2865
  130. DP You were right
  131. Need opinion's
  132. Driving lights? You'll love this...
  133. need help finding some exhaust parts
  134. ZZP Shift Kit on Sale Black Friday
  135. black friday deals at wbodystore.com
  136. Need some wiring help!
  137. Someone help ASAP please. Belt tensioner
  138. Racing on the 215
  139. How many of you guys spray??
  140. GXP Fender Signal Write-Up
  141. What to get for X-Mas for the MC
  142. coolant leak HELP!!!!!
  143. I am new - and i have been on other Forums
  144. 255 45r18 on a Monte Carlo SS
  145. Happy Thanksgiving
  146. I have a crazy idea....light-up portholes!
  147. Injectors, where to buy?
  148. O/T: This '00 GTP worth $500?
  149. Did your parents have cool cars when you were a kid?
  150. Pimp (un-Pimp?) my Buick!
  151. Pirelli Pzero Nero All Season 235/50/R18
  152. Just bought some DDM HIDS
  153. Transmission line leaking. Help
  154. I raced a CTS-V
  155. Why did the LS4 have to go away?
  156. Trans shudder
  157. Anyone have this problem?
  158. help, smoked another convertor
  159. Off Topic: Winter project car
  160. 3800 V6 Explosion?
  161. FINALLY gonna dyno Paula
  162. Time to go...
  163. Yenko Camaro
  164. Hornblaster Horns Installed on Impy SS
  165. Tire size
  166. Hey!!
  167. Lumbar Problem... intelligence needed!
  168. Off Topic, buddies 2011 5.0 runs 12.1 stock
  169. Stock Down Pipe
  170. Anybody NOT activate the OnStar?
  171. Mileage
  172. Thinking about buying this car...
  173. dumb question i need help with
  174. Factory Navigation Update
  175. alcoa wheel
  176. Need some advice....
  177. Redoing my exhaust as well.
  178. 40 series flowmasters
  179. LED Lights
  180. raced a g8 gxp and grand prix gxp
  181. Today Was A Good Day
  182. Had some fun raping a R/T Challenger.
  183. GM Heritage Center Free Restoration Information Kits
  184. HID HELP for GP
  185. quick manifold swap questions.? LS1
  186. ls4 mod, tune, swap, add-on questions
  187. A picture to share
  188. Different color front parking/signal bulbs
  189. Cleaning the Rotors?
  190. Been a While!!!
  191. 2nd to 3rd shift
  192. factory monsoon stereo system glitch
  193. Navagation Retrofit MCSS??
  194. 4T65E-HD Slips off the line
  195. monte ss vs camaro llt or v6
  196. spare tire?
  197. Dual Climate zone issue
  198. Hood Questions MC SS
  199. 1st drag pass in the Buick
  200. Going after a friends RT. need suggestions
  201. dog bone and poly mount
  202. does tire repair kit ruin tpm?
  203. Track results
  204. well guys i think the tranny may be slipping??
  205. dumb thing i did
  206. A New friend
  207. GXP vs Mustang animation trash talk
  208. them halo headlights!!
  209. bridgestone 960 pole positions
  210. A little Rage!!
  211. I need Magnaflow pics
  212. Running Rich
  213. New GXP, Tuning Problem
  214. Resonator??
  215. Jet Performance chips
  216. Eagle RSA vs Goodrich G Force KDWS
  217. Running lean??
  218. hankook tiers
  219. Finally Got Tinted!!!!!!!!
  220. Heated Seats FTW!
  221. Cheap price HIDs
  222. 2005 gxp tune questions
  223. Ls4 Shirts! Almost gone!
  224. After Cleaning MAF, whats proper way to reset.
  225. little tiny scratches all over top of GXP's headlamps?
  226. Dont kill me, but I have an LS1 intake swap question
  227. Diablosport Predator vs Trinity
  228. Hood Insulator?
  229. AutoX Videos
  230. 3.29s or stock?
  231. Trans Shift Kit Help!!!!
  232. Transmission Cooler - MUST READ
  233. Spina Bifiada Carshow
  234. What kind of plug wires do you run
  235. shift kit
  236. Mounting Transmission Sensor
  237. Finally in the 13's
  238. DT Headers or Hogan DP?
  239. DOD Light
  240. Brakes: Just noticed this today
  241. Wiring Colors and Locations
  242. Headlights cloudy
  243. Battery: Current draw???
  244. stupid question.
  245. I googled
  246. Navigation in GXP
  247. Turbo timer
  248. exhaust/fuel question
  249. Possible Solution to the 4 CYC Rattle Issue
  250. Something GOOD can get BETTER