View Full Version : LS4 Performance


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  1. Dyno Retuned!!
  2. best spark plug
  3. Plug wire problem
  4. 2 year battery??
  5. cruise control stop working?
  6. looking to buy ls4 intake manifold
  7. ABS Traction Control Stability Control Fix
  8. Possibly getting an LS4 Monte
  9. Is it possible to get an 08 gxp tuned?
  10. Disable DOD
  11. GXP Transmission?
  12. Polished my wheels
  13. 15 inch drag tire. pics
  14. drag tire
  15. While venturning away from our dark corner of tech
  16. dissapointing track night.
  17. Love my LS4
  18. Racing myself!
  19. Looking for an LS4
  20. Pro-Comp Roller Rockers
  21. lowering springs
  22. Forced induction
  23. Hud :(
  24. LS4 UD Pulleys
  25. Tinting the tail lights
  26. Good to be back!
  27. Under the knife on Monday for the gxp
  28. Moar Pics
  29. Emblems and opinions!
  30. Lifter Tick
  31. Abnormal Whine when in reverse?
  32. gxp versus 6.2 silverado
  33. abs control module
  34. My GXP Transmission
  35. Storage prep
  36. GM's new competition against Dodge and Ford
  37. Oil Pressure
  38. Does my GXP have FE4 suspension?
  39. intake swap
  40. Won't start
  41. has any one tried exhaust like this on there mc ss
  42. W.O.T knock!
  43. hogan performance
  44. removing plastic underbody...
  45. Throttlebody Options
  46. Break Pads
  47. Trade-in Opinions
  48. Budget Mods
  49. I beat a TB SS
  50. recall 09132
  51. Audio questions
  52. Parts for sale
  53. Lost to a Camaro SS 6spd
  54. Motor Mount improvment
  55. Well i did it too. Traded the Imp ss
  56. Bolts backing out!!!
  57. change your cabin filter
  58. where are all the posts???
  59. Oil Filter question
  60. Putting up the Monte for sale
  61. Throttle body adapter for intake swap-$100 obo shipped
  62. Forum Administrators
  63. Trans Tuning
  64. no longer have a gxp thanks for all the help
  65. help with ideas tips and pics of custom engine covers
  66. dod help and headlight harness?
  67. Tap Shift Sucks
  68. GXP Fan Replacement?
  69. hey, another tire thread!
  70. spark plug change
  71. Diablo Trinity for sale
  72. MP3 Nav unit help
  73. Need suggestions for brake pads please.
  74. lug nuts
  75. abs light help
  76. DTC Help
  77. SS wheels flaking?
  78. Tire size?
  79. does anyone have contact info for will at overkill?
  80. Need HID Help
  81. 67 GMC fs
  82. 325 Crossed Flag Emblems
  83. Problem with cylinder 1 spark plug.. keeps going bad!
  84. Nightmare on Hub street, and code question
  85. Chevy announces the "SS"
  86. Dip stick oil change?
  87. quick tire size question-gxp
  88. car craft 2012
  89. Re-sleeve 5.3 to ?
  90. GXP Repoed leftover parts for sale, what other GM cars do brake pads fit
  91. Repoed last year, GXP history and lots of pics, video - Appreciate the years of help
  92. Anyone need a 2006 Grand Prix GXP?
  93. '06+ MCSS Trunk Lift Supports
  94. Sonax Boost Valve
  95. Vector MS Heat Soak Reduction Kt
  96. E85 for 06 SS
  97. Getting rid of some things...
  98. 2008 Grand Prix GXP Suspension Bounce
  99. LS4 intake
  100. ss emblem overlays
  101. Oh Boy!!
  102. New track times with TFS heads
  103. wheels
  104. PRICE DROP! - Diablo Sport Predator U7191
  105. The replacement
  106. Clicking noise in RF
  107. sensor location
  108. Brake Fluid Change
  109. Dex Cool
  110. 2008 grand prix gxp 71k
  111. Diff fluid exchange
  112. Cartuning Trans Pan Spacer and filter adapter
  113. another shift kit question
  114. Thought I'd Share....$10 off mobil one
  115. Odd issue. Possible maf failure?
  116. Ls6 injectors + Ev6 to Ev1 adapters
  117. Why do GXP wheels cost so freaking much?
  118. Trouble Light help
  119. Lifter Problem?
  120. LS6 Fuel Parts for Swap
  121. Brakemotive or other
  122. Racing Transmission texas
  123. 2006 monte carlo ss performance questions!! HELP PLEASE!!
  124. Strut time what did you use?
  125. Shifter stuck in park on 06 MonteSS
  126. Selling the GXP before we move
  127. Another trans bites the dust
  128. A/C Low pressure side
  129. Diablosport Predator for sale! CHEAP!
  130. Online Car show
  131. Intake manifolds?
  132. First time ever to a strip
  133. LS3 swap?
  134. 275/40r18
  135. GP GXP Launch Technique
  136. battery saver
  137. Upgrading Rockers
  138. Took the Monte to the track!!
  139. 2006 Impala SS wash, playing with new camera.
  140. MPD Hood
  141. beefing up the transmission
  142. DR STB's - Yeah...I'm Impressed!
  143. GXP headlight mod pics
  144. Is seeing believing?
  145. Appleton WI
  146. Custom grilles hope you guys like
  147. New Exterior Emblems for LS4 Cars Coming Soon! Feedback Needed!
  148. Just got my GXP
  149. Finally Blew My Trans
  150. Gxp won't run
  151. Finally added my Transmission Cooler!
  152. GXP Wheels?
  153. Going to try this again.....
  154. Transmission swap
  155. Just purchased an 05 GP GXP my
  156. offset
  157. WANTED LS4 Swap w-body,
  158. Dyno numbers are in. Had a big day:) with vid!!
  159. Tuning '08 GXP
  160. Exhaust Catalytic converter or resonator
  161. WTB: Car tuning turbo kit
  162. 93 with ethanol or 91 without ethanol?
  163. Grand Prix issue
  164. Grand Prix GXP question?
  165. Diablo tune and now car won't start.
  166. Oil Pan Gasket per OIL BURNING TSB: HOW TO
  167. Having some issues with the GXP
  168. ls4 question
  169. spring.question.
  170. rotors
  171. Lowering Springs ??
  172. Stall speed
  173. another ls4er car is gone
  174. got flowmaster super 44s
  175. Shes gone
  176. 07 impala exhaust tip size
  177. Hot Rod Power Tour
  178. Who will win???
  179. Whistler Mod on Impala?
  180. What is the best replacement manufacturer for hub assembly?
  181. Complete LS1 Intake Swap For Sale - $500 shipped
  182. Removing/ installing transmission
  183. Couple of runs at the track
  184. Quick Exhaust Question
  185. Wheels and tires Stolen from my car!
  186. Lowering
  187. LS4 swap...
  188. Jasper needs CORES
  189. Gto
  190. wish...
  191. Diablo Intune
  192. Update / Upgrade Suggestions
  193. Calipers chipping
  194. how many quarts low for oil light to come on?
  195. correct forum.
  196. 08 Grand Prix GXP 1/8th mile times.
  197. Is this a transmission problem
  198. stock intake, missing line?
  199. ls1 intake, whats a good deal?
  200. Who knows the most??? Ls4!!!
  201. Rear lateral arms
  202. Brake Build
  203. Props to nmp0098! Incredible tuning!
  204. Bad head gasket??
  205. might be changing cars
  206. Selling my GXP
  207. DTR question
  208. DOD delete options?
  209. New 06/gxp owner
  210. Coolant Temp Sensor / Thermostat?????
  211. trans bit the dust today
  212. Trans Shop Western PA?
  213. question for MCSS & IMPSS owners
  214. yet another question about the cam/ecm, etc LS4
  215. LS4 100 shot Dry Nitrous project!!!!
  216. ls4 turbos
  217. Annoying squeal only when in reverse
  218. Mr Shelby thank you for your cars.
  219. Ls4 swap for base model impala?
  220. brake upgrade
  221. Bought The 06 Imp SS Today
  222. 06 impala ss engine bay
  223. Frozen Front Calipers Need Replacement
  224. New tubular control arms from Competition fab
  225. throttle body porting.
  226. Bought a 08 Impala
  227. My strut bad?
  228. Muffler Delete!!!!
  229. Track Day
  230. rear cargo springs or coilovers?
  231. transmisson shop
  232. Optima Battery at Advance Auto Parts
  233. Any of these cams worth it?
  234. My tips/tricks for LS1 Intake and Comp 1.85 rocker install....
  235. HID problems?
  236. Chrome Housings and Platinum Bulbs
  237. Help with gxp/C5 rear brake swap on Imp SS
  238. please help yall
  239. Opinions needed: Trade in Bonneville GXP for an Imp SS?
  240. Headers installed
  241. Anyone's car die when hitting a big bump?
  242. ??? Lowing Springs ???
  243. Oooooooo Shiney
  244. New Wheels & Rubber
  245. Bidgestone RE 760 sports my opinon
  246. LS4 engine+transmission prices
  247. Broken Remote.
  248. How long did it take to get your CAI intake
  249. Cd error?
  250. Air filter replacement