View Full Version : LS4 Performance


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  1. First time at track was a success!!!
  2. TCM Expert needed for Manual Trans Swap
  3. Nitrious stuff is on the way.
  4. Heading back to the track on 10/21
  5. Aftermarket Auto Parts Installer Directory
  6. New Turbo GXP...
  7. PS Pump Still Whining after replacement??
  8. Motor mounts oh motor mounts
  9. Turbo Impala SS
  10. ddm hids
  11. Anyone have Torque Spec for Idler Pulley
  12. 05 Grand Prix GXP P0856 code
  13. LS4 in my Off Road Race Truck. Am i missing something??
  14. Head/Cam question
  15. Free Air Box Mods?
  16. Stock GXP best SOTP mod?
  17. LS4 For Sale Section
  18. RE: CalSpeed Headers
  19. Tire Question
  20. Wheel Opinion Needed.
  21. Inferno Hood
  22. Gears
  23. Lowering spring questions.
  24. Me vs New Camro (rematch video)
  25. Wheel Clarification
  26. RPM Dependent Whine
  27. Shift Kit Question
  28. Lost to a 08 INFINITY G35x
  29. Bought some new parts for the car
  30. PO121: Bad Throttle Position Sensor
  31. Brand new to the LS4 World
  32. what do i need to rebuild my tranny
  33. anybody have their stock tune?
  34. bypassing radiator with a cooler
  35. new track times
  36. intake mani swap help.
  37. Any DOD Cams?
  38. Car Camera Mounting Options
  39. Exhaust manifold question
  40. Finished the ls1 swap.
  41. map extension
  42. light weight ls4
  43. maf sensor
  44. throttle body
  45. Me vs 3.8 Genesis
  46. 2007 Monte Carlo SS F/S
  47. tensioner pulley
  48. 2006 Impala SS VS 2011 Mustang V6
  49. Ipod jack
  50. Need Opinions & Answers....
  51. manifold swap help
  52. UPDATED 11/1/2012: LS4 Headers from CalSpeed Coming Soon!
  53. New ride, 2007 Impala SS, and the first mod!
  54. Passenger tweeter buzzing?
  55. Rattle under center console?
  56. Exhaust question
  57. Looking for a GXP Owner in SoCal or the Central Valley
  58. Hey guys. Noob with a noob question about ZL1 Rims
  59. would this rims fit our cars
  60. Anyone replace their PS pump?
  61. New PB for the Impala SS
  62. Build Numbers
  63. Another one gonee
  64. Dyno Retuned!!
  65. best spark plug
  66. Plug wire problem
  67. 2 year battery??
  68. cruise control stop working?
  69. looking to buy ls4 intake manifold
  70. ABS Traction Control Stability Control Fix
  71. Possibly getting an LS4 Monte
  72. Is it possible to get an 08 gxp tuned?
  73. Disable DOD
  74. GXP Transmission?
  75. Polished my wheels
  76. 15 inch drag tire. pics
  77. drag tire
  78. While venturning away from our dark corner of tech
  79. dissapointing track night.
  80. Love my LS4
  81. Racing myself!
  82. Looking for an LS4
  83. Pro-Comp Roller Rockers
  84. lowering springs
  85. Forced induction
  86. Hud :(
  87. LS4 UD Pulleys
  88. Tinting the tail lights
  89. Good to be back!
  90. Under the knife on Monday for the gxp
  91. Moar Pics
  92. Emblems and opinions!
  93. Lifter Tick
  94. Abnormal Whine when in reverse?
  95. gxp versus 6.2 silverado
  96. abs control module
  97. My GXP Transmission
  98. Storage prep
  99. GM's new competition against Dodge and Ford
  100. Oil Pressure
  101. Does my GXP have FE4 suspension?
  102. intake swap
  103. Won't start
  104. has any one tried exhaust like this on there mc ss
  105. W.O.T knock!
  106. hogan performance
  107. removing plastic underbody...
  108. Throttlebody Options
  109. Break Pads
  110. Trade-in Opinions
  111. Budget Mods
  112. I beat a TB SS
  113. recall 09132
  114. Audio questions
  115. Parts for sale
  116. Lost to a Camaro SS 6spd
  117. Motor Mount improvment
  118. Well i did it too. Traded the Imp ss
  119. Bolts backing out!!!
  120. change your cabin filter
  121. where are all the posts???
  122. Oil Filter question
  123. Putting up the Monte for sale
  124. Throttle body adapter for intake swap-$100 obo shipped
  125. Forum Administrators
  126. Trans Tuning
  127. no longer have a gxp thanks for all the help
  128. help with ideas tips and pics of custom engine covers
  129. dod help and headlight harness?
  130. Tap Shift Sucks
  131. GXP Fan Replacement?
  132. hey, another tire thread!
  133. spark plug change
  134. Diablo Trinity for sale
  135. MP3 Nav unit help
  136. Need suggestions for brake pads please.
  137. lug nuts
  138. abs light help
  139. DTC Help
  140. SS wheels flaking?
  141. Tire size?
  142. does anyone have contact info for will at overkill?
  143. Need HID Help
  144. 67 GMC fs
  145. 325 Crossed Flag Emblems
  146. Problem with cylinder 1 spark plug.. keeps going bad!
  147. Nightmare on Hub street, and code question
  148. Chevy announces the "SS"
  149. Dip stick oil change?
  150. quick tire size question-gxp
  151. car craft 2012
  152. Re-sleeve 5.3 to ?
  153. GXP Repoed leftover parts for sale, what other GM cars do brake pads fit
  154. Repoed last year, GXP history and lots of pics, video - Appreciate the years of help
  155. Anyone need a 2006 Grand Prix GXP?
  156. '06+ MCSS Trunk Lift Supports
  157. Sonax Boost Valve
  158. Vector MS Heat Soak Reduction Kt
  159. E85 for 06 SS
  160. Getting rid of some things...
  161. 2008 Grand Prix GXP Suspension Bounce
  162. LS4 intake
  163. ss emblem overlays
  164. Oh Boy!!
  165. New track times with TFS heads
  166. wheels
  167. PRICE DROP! - Diablo Sport Predator U7191
  168. The replacement
  169. Clicking noise in RF
  170. sensor location
  171. Brake Fluid Change
  172. Dex Cool
  173. 2008 grand prix gxp 71k
  174. Diff fluid exchange
  175. Cartuning Trans Pan Spacer and filter adapter
  176. another shift kit question
  177. Thought I'd Share....$10 off mobil one
  178. Odd issue. Possible maf failure?
  179. Ls6 injectors + Ev6 to Ev1 adapters
  180. Why do GXP wheels cost so freaking much?
  181. Trouble Light help
  182. Lifter Problem?
  183. LS6 Fuel Parts for Swap
  184. Brakemotive or other
  185. Racing Transmission texas
  186. 2006 monte carlo ss performance questions!! HELP PLEASE!!
  187. Strut time what did you use?
  188. Shifter stuck in park on 06 MonteSS
  189. Selling the GXP before we move
  190. Another trans bites the dust
  191. A/C Low pressure side
  192. Diablosport Predator for sale! CHEAP!
  193. Online Car show
  194. Intake manifolds?
  195. First time ever to a strip
  196. LS3 swap?
  197. 275/40r18
  198. GP GXP Launch Technique
  199. battery saver
  200. Upgrading Rockers
  201. Took the Monte to the track!!
  202. 2006 Impala SS wash, playing with new camera.
  203. MPD Hood
  204. beefing up the transmission
  205. DR STB's - Yeah...I'm Impressed!
  206. GXP headlight mod pics
  207. Is seeing believing?
  208. Appleton WI
  209. Custom grilles hope you guys like
  210. New Exterior Emblems for LS4 Cars Coming Soon! Feedback Needed!
  211. Just got my GXP
  212. Finally Blew My Trans
  213. Gxp won't run
  214. Finally added my Transmission Cooler!
  215. GXP Wheels?
  216. Going to try this again.....
  217. Transmission swap
  218. Just purchased an 05 GP GXP my
  219. offset
  220. WANTED LS4 Swap w-body,
  221. Dyno numbers are in. Had a big day:) with vid!!
  222. Tuning '08 GXP
  223. Exhaust Catalytic converter or resonator
  224. WTB: Car tuning turbo kit
  225. 93 with ethanol or 91 without ethanol?
  226. Grand Prix issue
  227. Grand Prix GXP question?
  228. Diablo tune and now car won't start.
  229. Oil Pan Gasket per OIL BURNING TSB: HOW TO
  230. Having some issues with the GXP
  231. ls4 question
  232. spring.question.
  233. rotors
  234. Lowering Springs ??
  235. Stall speed
  236. another ls4er car is gone
  237. got flowmaster super 44s
  238. Shes gone
  239. 07 impala exhaust tip size
  240. Hot Rod Power Tour
  241. Who will win???
  242. Whistler Mod on Impala?
  243. What is the best replacement manufacturer for hub assembly?
  244. Complete LS1 Intake Swap For Sale - $500 shipped
  245. Removing/ installing transmission
  246. Couple of runs at the track
  247. Quick Exhaust Question
  248. Wheels and tires Stolen from my car!
  249. Lowering
  250. LS4 swap...