View Full Version : LS4 Performance


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  1. Bad Plug caused Havoc!
  2. Truck Coils
  3. First cleaning after the winter as a dd....she still has it!!!
  4. LS4 Dyno Tuning Chicago/Milwaukee Area
  5. GXP Steering wheel for sale cheap
  6. Autobots Mods and Upgrades to the GXP Ongoing Thread!
  7. pics of the whips.
  8. Flowmaster 40 series vs Flowmaster 44 series
  9. Anyone know how to get the black dashcap off a 2006 Impala?
  10. Going to the dealer for warranty work..anything I should have them check?
  11. running the same tires on all 4
  12. Trip to the Track -video-
  13. LS1 intake here I come!!!!!
  14. I think you all will like this...
  15. strait pipe
  16. major differences?
  17. Death!
  18. Dud ugly a** body kit check this out
  19. my factory nav wont play dvd
  20. dtc P1811 long shift
  21. Do GXPs eat through auto transmission fluid?
  22. some new pics!
  23. so what apperance mods?
  24. 05 GXP tranny slipping...anyone upgrades to consider?
  25. World record!!!
  26. Shifting Question
  27. modded Monte Carlo SS For sale must see must sell
  28. diablo or superchips?
  29. Oh where oh where can i find one?!?!?!
  30. I love GM warrenty!
  31. which PCM?
  32. Modded gxp gas mileage?
  33. Torn Poly Motor Mount?
  34. 2008 gxp problem with diagnostic computer
  35. Black Impy SS @Randall & Huntley
  36. Found KYB AGX Adjustables on lmperformance but will they fit?
  37. Aftermarket Gauges GXP
  38. Heh...
  39. Windsheild scratches!!??
  40. LED tail lights have 3 burnt lights:(
  41. FS: Monte Carlo/Impala PIAA H11 3k Fog Bulbs
  42. Stock Ls4 Driveshaft Angle?
  43. Update: .65G Accel in the rain! 275/40/18 & 245/45/18 on GXP
  44. Thanks NMP0098 & Others (Trans Issues and TEP)
  45. I joined the dead battery club!
  46. NEW GXP RECALL!!!! Caught fire!
  47. Official Race
  48. Lookin for 2006 Monte Carlo SS Parts
  49. Another New GTR encounter
  50. Anybody add XM to a navi head unit on GXP? I would like to but...
  51. proud new owner
  52. Bonnie GXP rims! Picked them up today!
  53. performance parts?
  54. DoD
  55. Is the LS4 a "LSX"
  56. YES! Finally!
  57. Intake design input
  58. laser cut shaker Grille
  59. Death by a........
  60. Familiar Codes?
  61. tri-state are ls4 meet
  62. Official Speedo War thread
  63. 20 to 120 video
  64. Stage 2 intake
  65. 06 monte carlo battery removal
  66. GXP Wheels (cleaning)
  67. Update
  68. Dashlight Fuse Burnt out.
  69. Strange Trans Issue
  70. Exhaust video
  71. Took down an STS today
  72. impala ss 2006 halo CCFL turning off
  73. Finally got pics of the ss after death.
  74. Cutout
  75. Happy Mardi Gras
  76. wiper fluid not coming out
  77. Colormatched headlights are almost done
  78. Removing Intake manifold Question
  79. Selling the SS
  80. My 08 SS vs. 98 Turbocharged 240sx
  81. Spintech Clips as Promised
  82. minor mod GXP Vs Minor mod TC SS Coby
  83. Oil Pressure sensor replacement
  84. Newb with suspension ??s
  85. mpd hood questions
  86. GXP exhaust measurements
  87. Another Wheels Thread
  88. cabin filter
  89. CV Boot leaking
  90. Air Bag Question
  91. trans for LS4 fwd. 0km
  92. Found this funny
  93. Project: GXP-TN2O UPDATE
  94. Ls4 belt tensioner replacement, lessions I learned!
  95. Blew the P/S cooler line
  96. Cold Air Intake?
  97. GXP fuel mileage
  98. High Idle - Cold Start Warmup
  99. WHO Dat
  100. Gold bow tie replacement....
  101. Stock SS wheels needed
  102. DIY!!Bulb repacement for heater control unit!!!
  103. vss wire
  104. Lost Again
  105. tire pressure sensors for cheap?
  106. my engine mount is destroyed
  107. Texas LS4 Meet
  108. Power steering pump
  109. Custom Engine plaque
  110. For the couple Texas members here...
  111. Ported LS4 Intake Manifold
  112. Tuners
  113. Fasterproms Ported LS4 Intake Manifold
  114. Back from "Cobalt Hell"
  115. Anyone have FOOSE Challenger rims?
  116. Converter issue... trans on its way out... surprise surprise...
  117. GP to Bonneville spring swap?
  118. Z06 front brake conversion on GXP
  119. Just looking out for fellow Members...
  120. why does my Impy SS roll like a manual tranny?
  121. New to LS4 community
  122. Wheel opinion
  123. New RIMS
  124. my new ss.
  125. To EVERYONE that has had tranny problems,
  126. So I was at the motor show yesterday...
  127. Questions about impala SS
  128. GXP Fiberglass Hood for sale w/ pics
  129. Rear Caliper Slider Bolts
  130. Gm High Tech magazine
  131. key fob with remote start question
  132. Your never going to believe this!!
  133. Oil Catch Can for excessive oil leaking in intake manifold
  134. transmission recall...
  135. Anyone interested in a Diablo Predator
  136. Oil pan gasket...where to find a higher end one
  137. LS4 Belt tensioner replacement... what a pain!!!
  138. Impala SS 2006 Surprising DYNO numbers!
  139. LED Tails
  140. WTB: Poly Dog Bone Bushing
  141. I have a stupid question.
  142. Whats up eveyone!
  143. Spintech Cat Back Installed -Video-
  144. I have the greatest dealer
  145. HID alternative?
  146. Torque Thrust Wheels
  147. thinking of switching cams
  148. any intrest in stock parts?
  149. Possible Ignition
  150. Emblems
  151. not very happy with impala
  152. Another tranny thread, problems at 37,200.
  153. World of Wheels pics
  154. So this was not expected...
  155. NFC Champions!!!!!!
  156. Mod plans...
  157. where to buy a hogan catless dp
  158. diy intake and feels like i lost power
  159. Off-Topic: Stub-Hub
  160. my tranny is starting to slip.
  161. rpm drop in 2nd gear
  162. Joined the Bad Tranny Club
  163. Source of stainless steel fittings?
  164. What are ls4 front drives classified as?
  165. GXP spare tire
  166. new avatar test
  167. flipped motor mount, how to.
  168. '09 Impala - rear squeaks going over speed bumps
  169. Steering Problem...
  170. GXP Nav
  171. IPod to GXP Nav unit
  172. *** FOR SALE *** U7191 DiabloSport Predator...
  173. Is the stock TB a limiting factor for a bolt-on car?
  174. GXP Front LH side Fender?
  175. rev limiter??
  176. Would this fuel rail fit a LS6 Intake?
  177. Please name these wheels ...
  178. Opinions WANTED! Dont you hate.....
  179. LS6 swap throttle body
  180. Impala SS vs Charger r/t
  181. Why'd you have to start shit Mel?
  182. Muffler Fit Question
  183. grand prix trunk mat
  184. Leaking power steering hose
  185. rear suspension?
  186. CAI Dyno Numbers?
  187. feeler, anyone want the stock navigation system?
  188. New Guy
  189. Thinking of buying a LS4
  190. Funny video
  191. hey mel need your help
  192. Another GXP Traded In for G8
  193. Impala Console Removal
  194. Another Mustang Kill
  195. quick answer about Don Romes stbs
  196. $150 a piece, take your pick
  197. World of Wheels
  198. Monsoon Stereo
  199. winter MPG
  200. GXP owners please step in
  201. D-I-Y shift kit observations
  202. 918 springs or dual springs valvetrain questions
  203. auxilary input for a gxp
  204. port & polish stock heads or aftermarket heads
  205. Modifying fuel rail, bending it
  206. Taller fuel injectors, higher rates?
  207. North America's LS4 Calendar pics
  208. FAST 92mm intake swap need help and info get ready to see it done
  209. North America's LS4 Calendars are in!!
  210. Transmission dead 41k miles
  211. SS Cop Cars?
  212. OPSU relocate But Where?
  213. Aftermarket Warranty
  214. Good S.E. Mich Transmission shops???
  215. Who else is bugged....
  216. E-brake problem
  217. Steering recall on 2006 Monte Carlo SS
  218. Would you buy a gxp with 100,000 miles?
  219. Those of you with rockers and rods
  220. New Wheel Bearings, And Bonus Stabilizer Bushings
  221. 2007 gxp
  222. Question
  223. Strange noise
  224. Oil pressure problem
  225. Estimated WHP increase w/ 3 mods - 09 SS
  226. GXP Aftermarket Rims
  227. What is our normal fuel pressure?
  228. Fuel rail Modification Whats it made of?
  229. Happy New Year!!!
  230. ADD OIL Light
  231. another transmission question
  232. stb issue
  233. 3rd Brake Light
  234. For those of you that have cutout on the gxp
  235. Dale Earnhardt Jr Killer wheels..... Anybody got em?????
  236. Badge Measurement
  237. How many G's Have You Pulled?
  238. Tran failure (nothing new) Possibly saying good bye though..
  239. catless dp
  240. Cai dimentions
  241. Borla exhaust?
  242. Exhaust cutout
  243. WTB fuel Rail
  244. LS6 or LS1 Manifold swap thoughts Questions
  245. Merry Christmas everyone!
  246. need a big favor
  247. Chrome plated grille
  248. Air Filter Question
  249. 2K6 Impala SS 6 Disc Changer Issue
  250. Which ls4 to get?