View Full Version : LS4 Performance


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  1. Moar Pics
  2. Emblems and opinions!
  3. Lifter Tick
  4. Abnormal Whine when in reverse?
  5. gxp versus 6.2 silverado
  6. abs control module
  7. My GXP Transmission
  8. Storage prep
  9. GM's new competition against Dodge and Ford
  10. Oil Pressure
  11. Does my GXP have FE4 suspension?
  12. intake swap
  13. Won't start
  14. has any one tried exhaust like this on there mc ss
  15. W.O.T knock!
  16. hogan performance
  17. removing plastic underbody...
  18. Throttlebody Options
  19. Break Pads
  20. Trade-in Opinions
  21. Budget Mods
  22. I beat a TB SS
  23. recall 09132
  24. Audio questions
  25. Parts for sale
  26. Lost to a Camaro SS 6spd
  27. Motor Mount improvment
  28. Well i did it too. Traded the Imp ss
  29. Bolts backing out!!!
  30. change your cabin filter
  31. where are all the posts???
  32. Oil Filter question
  33. Putting up the Monte for sale
  34. Throttle body adapter for intake swap-$100 obo shipped
  35. Forum Administrators
  36. Trans Tuning
  37. no longer have a gxp thanks for all the help
  38. help with ideas tips and pics of custom engine covers
  39. dod help and headlight harness?
  40. Tap Shift Sucks
  41. GXP Fan Replacement?
  42. hey, another tire thread!
  43. spark plug change
  44. Diablo Trinity for sale
  45. MP3 Nav unit help
  46. Need suggestions for brake pads please.
  47. lug nuts
  48. abs light help
  49. DTC Help
  50. SS wheels flaking?
  51. Tire size?
  52. does anyone have contact info for will at overkill?
  53. Need HID Help
  54. 67 GMC fs
  55. 325 Crossed Flag Emblems
  56. Problem with cylinder 1 spark plug.. keeps going bad!
  57. Nightmare on Hub street, and code question
  58. Chevy announces the "SS"
  59. Dip stick oil change?
  60. quick tire size question-gxp
  61. car craft 2012
  62. Re-sleeve 5.3 to ?
  63. GXP Repoed leftover parts for sale, what other GM cars do brake pads fit
  64. Repoed last year, GXP history and lots of pics, video - Appreciate the years of help
  65. Anyone need a 2006 Grand Prix GXP?
  66. '06+ MCSS Trunk Lift Supports
  67. Sonax Boost Valve
  68. Vector MS Heat Soak Reduction Kt
  69. E85 for 06 SS
  70. Getting rid of some things...
  71. 2008 Grand Prix GXP Suspension Bounce
  72. LS4 intake
  73. ss emblem overlays
  74. Oh Boy!!
  75. New track times with TFS heads
  76. wheels
  77. PRICE DROP! - Diablo Sport Predator U7191
  78. The replacement
  79. Clicking noise in RF
  80. sensor location
  81. Brake Fluid Change
  82. Dex Cool
  83. 2008 grand prix gxp 71k
  84. Diff fluid exchange
  85. Cartuning Trans Pan Spacer and filter adapter
  86. another shift kit question
  87. Thought I'd Share....$10 off mobil one
  88. Odd issue. Possible maf failure?
  89. Ls6 injectors + Ev6 to Ev1 adapters
  90. Why do GXP wheels cost so freaking much?
  91. Trouble Light help
  92. Lifter Problem?
  93. LS6 Fuel Parts for Swap
  94. Brakemotive or other
  95. Racing Transmission texas
  96. 2006 monte carlo ss performance questions!! HELP PLEASE!!
  97. Strut time what did you use?
  98. Shifter stuck in park on 06 MonteSS
  99. Selling the GXP before we move
  100. Another trans bites the dust
  101. A/C Low pressure side
  102. Diablosport Predator for sale! CHEAP!
  103. Online Car show
  104. Intake manifolds?
  105. First time ever to a strip
  106. LS3 swap?
  107. 275/40r18
  108. GP GXP Launch Technique
  109. battery saver
  110. Upgrading Rockers
  111. Took the Monte to the track!!
  112. 2006 Impala SS wash, playing with new camera.
  113. MPD Hood
  114. beefing up the transmission
  115. DR STB's - Yeah...I'm Impressed!
  116. GXP headlight mod pics
  117. Is seeing believing?
  118. Appleton WI
  119. Custom grilles hope you guys like
  120. New Exterior Emblems for LS4 Cars Coming Soon! Feedback Needed!
  121. Just got my GXP
  122. Finally Blew My Trans
  123. Gxp won't run
  124. Finally added my Transmission Cooler!
  125. GXP Wheels?
  126. Going to try this again.....
  127. Transmission swap
  128. Just purchased an 05 GP GXP my
  129. offset
  130. WANTED LS4 Swap w-body,
  131. Dyno numbers are in. Had a big day:) with vid!!
  132. Tuning '08 GXP
  133. Exhaust Catalytic converter or resonator
  134. WTB: Car tuning turbo kit
  135. 93 with ethanol or 91 without ethanol?
  136. Grand Prix issue
  137. Grand Prix GXP question?
  138. Diablo tune and now car won't start.
  139. Oil Pan Gasket per OIL BURNING TSB: HOW TO
  140. Having some issues with the GXP
  141. ls4 question
  142. spring.question.
  143. rotors
  144. Lowering Springs ??
  145. Stall speed
  146. another ls4er car is gone
  147. got flowmaster super 44s
  148. Shes gone
  149. 07 impala exhaust tip size
  150. Hot Rod Power Tour
  151. Who will win???
  152. Whistler Mod on Impala?
  153. What is the best replacement manufacturer for hub assembly?
  154. Complete LS1 Intake Swap For Sale - $500 shipped
  155. Removing/ installing transmission
  156. Couple of runs at the track
  157. Quick Exhaust Question
  158. Wheels and tires Stolen from my car!
  159. Lowering
  160. LS4 swap...
  161. Jasper needs CORES
  162. Gto
  163. wish...
  164. Diablo Intune
  165. Update / Upgrade Suggestions
  166. Calipers chipping
  167. how many quarts low for oil light to come on?
  168. correct forum.
  169. 08 Grand Prix GXP 1/8th mile times.
  170. Is this a transmission problem
  171. stock intake, missing line?
  172. ls1 intake, whats a good deal?
  173. Who knows the most??? Ls4!!!
  174. Rear lateral arms
  175. Brake Build
  176. Props to nmp0098! Incredible tuning!
  177. Bad head gasket??
  178. might be changing cars
  179. Selling my GXP
  180. DTR question
  181. DOD delete options?
  182. New 06/gxp owner
  183. Coolant Temp Sensor / Thermostat?????
  184. trans bit the dust today
  185. Trans Shop Western PA?
  186. question for MCSS & IMPSS owners
  187. yet another question about the cam/ecm, etc LS4
  188. LS4 100 shot Dry Nitrous project!!!!
  189. ls4 turbos
  190. Annoying squeal only when in reverse
  191. Mr Shelby thank you for your cars.
  192. Ls4 swap for base model impala?
  193. brake upgrade
  194. Bought The 06 Imp SS Today
  195. 06 impala ss engine bay
  196. Frozen Front Calipers Need Replacement
  197. New tubular control arms from Competition fab
  198. throttle body porting.
  199. Bought a 08 Impala
  200. My strut bad?
  201. Muffler Delete!!!!
  202. Track Day
  203. rear cargo springs or coilovers?
  204. transmisson shop
  205. Optima Battery at Advance Auto Parts
  206. Any of these cams worth it?
  207. My tips/tricks for LS1 Intake and Comp 1.85 rocker install....
  208. HID problems?
  209. Chrome Housings and Platinum Bulbs
  210. Help with gxp/C5 rear brake swap on Imp SS
  211. please help yall
  212. Opinions needed: Trade in Bonneville GXP for an Imp SS?
  213. Headers installed
  214. Anyone's car die when hitting a big bump?
  215. ??? Lowing Springs ???
  216. Oooooooo Shiney
  217. New Wheels & Rubber
  218. Bidgestone RE 760 sports my opinon
  219. LS4 engine+transmission prices
  220. Broken Remote.
  221. How long did it take to get your CAI intake
  222. Cd error?
  223. Air filter replacement
  224. slightly dissappointing day at track
  225. possibly getting rid of the ss
  226. G6 GTP or Grand Prix GXP?
  227. Semi new to the board
  228. tire.
  229. Extended Warranty Purchase?
  230. Quick Photoshoot *Moar Whoarage*
  231. New to the LS4 world
  232. Lower ball joint won't seat... help!
  233. New Tires Put on Today
  234. R.I.P Mr. Starter
  235. Drag tires
  236. Sold my Vette, replacement suggestions wanted
  237. New Heads
  238. tb adapter
  239. any borla out there?
  240. CORRECTION: tapping coming from both tailpipes..
  241. Dynomax VT anybody?
  242. Spintech Mufflers
  243. Tapping from tailpipe
  244. Heading to the track in 3 weeks!!!
  245. ????????tail lights???????
  246. Sad day last year GXP repoed, new toy, new rider, and measurespeed calculator
  247. I'm back!!!
  248. GXP brake pads other car fitments
  249. New and used parts for GXP Guys
  250. Harmonic Balancer............