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  1. While my trans is out...
  2. Cool pic
  3. hey ls4 brothers..
  4. rear end issue?
  5. Airaid tb spacer
  6. HP gain from cam?
  7. Charging System Failure
  8. catch can milky
  9. finally order hp tuners
  10. Just the gasket?
  11. Catless downpipe with magnapacks?
  12. Zex Wet kit for sale
  13. adjust headlights?
  14. hit the jackpot today
  15. Any LS4 owners running SLP loudmouths?
  16. Adjusting electronic throttle with hp tuners
  17. Need a tranny
  18. Few things for sale
  19. Carbon Fiber or Black Vinyl SS Badges?
  20. need help with grand prix gxp gear ratio!!!
  21. Anyone tried these?
  22. My GXP on Auto Trader
  23. How much would it cost to rebuild my tranny?
  24. climate control gxp
  25. Guys with TEP trannies. Come on in.
  26. Ls7 intake swap
  27. Will this work
  28. LED's - Little Things That Make A Huge Improvement
  29. Need a tune!!!
  30. Fast & Furious 7 scene in Atlanta
  31. Lifters & DOD
  32. LS4 Car Photo Request
  33. Dimensions of LS4?
  34. white smoke help.
  35. Fuel injector cleaning
  36. 2007 GXP- CTS-V Brakes, E-cutout, Custom Shifter, Front Splitter, and more
  37. Getting rid of the GXP
  38. Trick flo heads or these
  39. Under Coating?
  40. Free horsepower!
  41. dash speaker
  42. 05 Grand Prix GXP rear brake backing plates
  43. LS4 knocking
  44. New to the LS4
  45. for people with hptuners and SD tuning.
  46. New track time
  47. Tranny is out again
  48. Damn Mel made it on power block
  49. Single Turbo Beast - just for fun.
  50. LS4 monte carlo SS upgrade help?
  51. checking transmission fluid
  52. Trans speedo unit options?
  53. E3 plugs causing misfire?
  54. Transmission removal
  55. Check engine light flashing?
  56. Buying goodies for my 2006 Monte Carlo SS need advice.
  57. Stuck Thermostat
  58. p0556 code today after doing gxp brake swap?? Anyone?????????????
  59. Man are these cars vilified
  60. Gxp Brakes
  61. Torque app or similar....?
  62. Happy Halloween!
  63. Monsoon upgrade
  64. Can these be painted?
  65. Emblem Pros LS4 Badge ON!!!
  66. E85 Is anyone using it???
  67. Planning on getting a gxp and need some info.
  68. FS in NW PA - 2008 Grand Prix GXP - Payoff (~13k)
  69. been a wile ! -intercooler and more!
  70. Nitrous
  71. 06 Monte Carlo SS upgrades, new to ls1
  72. fuel rails
  73. Time to say goodbye
  74. tb adapter for sale
  75. Those that don't browse classifieds much - LS2 Intake/Rail/Injectors & Spare DoD VLOM
  76. Added LEDs
  77. Looks like this is goodbye
  78. GXP paddle shifters in SS
  79. part number for eibach pro
  80. New car
  81. End of an era
  82. Service Trac control
  83. zzp hd trans????? Vs tep trans??
  84. any idea what parts failed?
  85. crackling noise in speakers
  86. They said it couldn't be done
  87. Found a Super Lacrosse for sale (Trade my Regal in?)
  88. Ran at drag strip and not happy with result.
  89. Pics of my bmr rear control arms on my imp ss
  90. Keyless entry problems
  91. tranny just ate shit
  92. Bleeder screw
  93. p0521 code
  94. data logging
  95. front poly motor mount project
  96. SS people tell me about your brakes
  97. Next mod: Cam!
  98. Contemplating a Versatrak AWD swap.
  99. cold cranking amps?? battery!!
  100. ls4 zzperformance headers info
  101. Custom exhaust video
  102. Joined the LS4 Club!
  103. LS4 - possible to replace timing chain damper on vehicle?
  104. Considering Another SS
  105. Battery Issue
  106. Check this video
  107. Code for OPSU
  108. How to tell if your Rack and Pinion is bad
  109. My new rims on the Monte
  110. Dealer Can't Figure This Out
  111. Cars and coffee this saturday (10/6/2013)
  112. LS7 hydro formed headers
  113. Back in the trans shop
  114. Poly Trans Mounts
  115. cylinder 6 misfire please help
  116. Lowered GXP's
  117. Bigger Radiator
  118. Best muffler.
  119. Ls4 parts for sale
  120. How do our transmissions come out
  121. Best trans
  122. Any Guys From The Midwest??
  123. tq on rockers
  124. Ls1 throttle body on ls6 intake installed today
  125. Question on aftermarket rims for Grand Prix GXP
  126. DOD Delete Question
  127. Trans upgrade
  128. custom Rear motor mounts done
  129. Hubs/Wheel Bearings
  130. Ran the GXP at track Wed....
  131. 2005 gxp
  132. ls4 gxp transmission
  133. Octoberfest Dyno Day In MA
  134. Bye bye LS4
  135. ssc springs
  136. muffler and resonator delete
  137. Catch Cans??? WHY???
  138. exhaust cutout question?
  139. anybody need rear sway bar bushings?
  140. shift points
  141. Sold the SS but got the 2014 LTZ fully loaded**
  142. 2006 impala ss 5.3 misfire
  143. Motor Mounts??? Custom Ones????
  144. Custom pipes bruh
  145. Headlights
  146. hp tuners?????
  147. Diablo in tune k&n for sale
  148. New GP GXP owner
  149. jpgxp its a sign buy it
  150. Sold the SS :-(
  151. Got a new car guys
  152. selling intake
  153. front end issues?
  154. Replacing torque converter in 06' Monte
  155. Odd electrical issue. Starting/HVAC/HUD
  156. Look good for less $$$ - 22x9" Lexani LSS-5 & 235/30 ZR22 Tires
  157. my build progress
  158. Wheels stolen. What to do?
  159. Working new LS6 intake options
  160. replica gxp wheels?
  161. headers sale.
  162. Anybody have real-world numbers after Lew Tune?
  163. NOS Setup "Dry Kit"
  164. ls4 fuel pump on 100 shot
  165. question about service traction/brake assist message
  166. Helical LSD research
  167. "Dual" to Single exhaust
  168. 06 SS replacment head unit wiring
  169. Knock sensor wiring HELP
  170. Ls1 to ls4 tb adapter
  171. GXP tips in the F/S section
  172. hearing a creaking sound in rear
  173. upper strut mounts help
  174. Got embarrassed last night, help?
  175. tranny blew again third time
  176. My LS2 intake install
  177. I know this isnt the racing forum buttt...
  178. ss rim repair
  179. Inferno Hood For G/Prix
  180. tighten gas cap
  181. Stock Idle for 2007 Grand Prix GXP?
  182. grand prix gxp engine swap..... need help
  183. Replacement Radio Wiring Harness? 06 SS
  184. LS2 TB vs LS4
  185. New Member Needing Some Tune Info
  186. custom cut fender hash/stripes 06 impala ss
  187. These transmissions are strong!!
  188. getting trans cooler soon.. what else do i need?
  189. white smoke out exhaust
  190. ls1 rockers
  191. Houston Area
  192. slp loudmouth resonators???
  193. NAIOA center cap decals
  194. LS2 TB and dirty PCV hose connection question
  195. car says rear turn lamp is out...
  196. Stock Steel Valve Spring retainers
  197. LS1 intake manifold
  198. LS4 Exhaust manifold specs.
  199. How to - Transmission Cooler Install
  200. engine replacement
  201. Diablo In tune?
  202. drops to idle when in gear
  203. Trans is running too hot, what should I do??
  204. Tires for my Monte
  205. Camming a 2006 Monte Carlo
  206. missfire cyl 6
  207. Spotted in MA. 07+ two tone GXP with inferno
  208. transmission hot?!
  209. service brake assist/traction control
  210. wheel hubs
  211. Tach Wire
  212. DOD sensor
  213. 08 Grand Prix GXP tranny Cooler
  214. Gentlemen, We have headers
  215. FS Lexani LSS-5 20" Toyo Proxes 4 24/35/20
  216. opinion on this ebay setup lowering spring/shocks
  217. For sale k&n cai cheap
  218. 2006 impala ss 0-60 time issues...
  219. Airbag Light problems
  220. horsepower question
  221. Another former owner...sold the GXP
  222. Trans fluid level too high
  223. is 06 abs module same as 08
  224. Meetup in NC
  225. TPMS Sensors
  226. Need PRNDL Status data from scanner
  227. DoD question/tuning for mileage
  228. First couple things out of the 3d printer
  229. in the market for a water pump?
  230. nitrous on stock engine and trans
  231. brake light switch
  232. High Beams not working
  233. Bilstein HD vs Bilstein Comfort
  234. vogtland springs
  235. Quick muffler question
  236. Trade in the gxp
  237. Headers FOR SALE DOUG THORLEY BRAND NEW $500 plus shipping
  238. 07 Grand prix GXP, brakes suck.
  239. tinted my headlights and taillights
  240. LS6 intake + LS2 TB, will they work?
  241. p0420 code
  242. 08 Impala SS questions regarding MPG
  243. P0717
  244. Cat Back exhaust or just a muffler
  245. LS4 F40 Fiero puts down 382 wph
  246. Climate control unit removal
  247. Painting SS wheels
  248. Newb LS4 owner
  249. where can I buy a dogbone?
  250. correct fuel pressure psi for 5.3