View Full Version : LS4 Performance


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