View Full Version : LS4 Performance


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  1. Tap Shift Sucks
  2. GXP Fan Replacement?
  3. hey, another tire thread!
  4. spark plug change
  5. Diablo Trinity for sale
  6. MP3 Nav unit help
  7. Need suggestions for brake pads please.
  8. lug nuts
  9. abs light help
  10. DTC Help
  11. SS wheels flaking?
  12. Tire size?
  13. does anyone have contact info for will at overkill?
  14. Need HID Help
  15. 67 GMC fs
  16. 325 Crossed Flag Emblems
  17. Problem with cylinder 1 spark plug.. keeps going bad!
  18. Nightmare on Hub street, and code question
  19. Chevy announces the "SS"
  20. Dip stick oil change?
  21. quick tire size question-gxp
  22. car craft 2012
  23. Re-sleeve 5.3 to ?
  24. GXP Repoed leftover parts for sale, what other GM cars do brake pads fit
  25. Repoed last year, GXP history and lots of pics, video - Appreciate the years of help
  26. Anyone need a 2006 Grand Prix GXP?
  27. '06+ MCSS Trunk Lift Supports
  28. Sonax Boost Valve
  29. Vector MS Heat Soak Reduction Kt
  30. E85 for 06 SS
  31. Getting rid of some things...
  32. 2008 Grand Prix GXP Suspension Bounce
  33. LS4 intake
  34. ss emblem overlays
  35. Oh Boy!!
  36. New track times with TFS heads
  37. wheels
  38. PRICE DROP! - Diablo Sport Predator U7191
  39. The replacement
  40. Clicking noise in RF
  41. sensor location
  42. Brake Fluid Change
  43. Dex Cool
  44. 2008 grand prix gxp 71k
  45. Diff fluid exchange
  46. Cartuning Trans Pan Spacer and filter adapter
  47. another shift kit question
  48. Thought I'd Share....$10 off mobil one
  49. Odd issue. Possible maf failure?
  50. Ls6 injectors + Ev6 to Ev1 adapters
  51. Why do GXP wheels cost so freaking much?
  52. Trouble Light help
  53. Lifter Problem?
  54. LS6 Fuel Parts for Swap
  55. Brakemotive or other
  56. Racing Transmission texas
  57. 2006 monte carlo ss performance questions!! HELP PLEASE!!
  58. Strut time what did you use?
  59. Shifter stuck in park on 06 MonteSS
  60. Selling the GXP before we move
  61. Another trans bites the dust
  62. A/C Low pressure side
  63. Diablosport Predator for sale! CHEAP!
  64. Online Car show
  65. Intake manifolds?
  66. First time ever to a strip
  67. LS3 swap?
  68. 275/40r18
  69. GP GXP Launch Technique
  70. battery saver
  71. Upgrading Rockers
  72. Took the Monte to the track!!
  73. 2006 Impala SS wash, playing with new camera.
  74. MPD Hood
  75. beefing up the transmission
  76. DR STB's - Yeah...I'm Impressed!
  77. GXP headlight mod pics
  78. Is seeing believing?
  79. Appleton WI
  80. Custom grilles hope you guys like
  81. New Exterior Emblems for LS4 Cars Coming Soon! Feedback Needed!
  82. Just got my GXP
  83. Finally Blew My Trans
  84. Gxp won't run
  85. Finally added my Transmission Cooler!
  86. GXP Wheels?
  87. Going to try this again.....
  88. Transmission swap
  89. Just purchased an 05 GP GXP my
  90. offset
  91. WANTED LS4 Swap w-body,
  92. Dyno numbers are in. Had a big day:) with vid!!
  93. Tuning '08 GXP
  94. Exhaust Catalytic converter or resonator
  95. WTB: Car tuning turbo kit
  96. 93 with ethanol or 91 without ethanol?
  97. Grand Prix issue
  98. Grand Prix GXP question?
  99. Diablo tune and now car won't start.
  100. Oil Pan Gasket per OIL BURNING TSB: HOW TO
  101. Having some issues with the GXP
  102. ls4 question
  103. spring.question.
  104. rotors
  105. Lowering Springs ??
  106. Stall speed
  107. another ls4er car is gone
  108. got flowmaster super 44s
  109. Shes gone
  110. 07 impala exhaust tip size
  111. Hot Rod Power Tour
  112. Who will win???
  113. Whistler Mod on Impala?
  114. What is the best replacement manufacturer for hub assembly?
  115. Complete LS1 Intake Swap For Sale - $500 shipped
  116. Removing/ installing transmission
  117. Couple of runs at the track
  118. Quick Exhaust Question
  119. Wheels and tires Stolen from my car!
  120. Lowering
  121. LS4 swap...
  122. Jasper needs CORES
  123. Gto
  124. wish...
  125. Diablo Intune
  126. Update / Upgrade Suggestions
  127. Calipers chipping
  128. how many quarts low for oil light to come on?
  129. correct forum.
  130. 08 Grand Prix GXP 1/8th mile times.
  131. Is this a transmission problem
  132. stock intake, missing line?
  133. ls1 intake, whats a good deal?
  134. Who knows the most??? Ls4!!!
  135. Rear lateral arms
  136. Brake Build
  137. Props to nmp0098! Incredible tuning!
  138. Bad head gasket??
  139. might be changing cars
  140. Selling my GXP
  141. DTR question
  142. DOD delete options?
  143. New 06/gxp owner
  144. Coolant Temp Sensor / Thermostat?????
  145. trans bit the dust today
  146. Trans Shop Western PA?
  147. question for MCSS & IMPSS owners
  148. yet another question about the cam/ecm, etc LS4
  149. LS4 100 shot Dry Nitrous project!!!!
  150. ls4 turbos
  151. Annoying squeal only when in reverse
  152. Mr Shelby thank you for your cars.
  153. Ls4 swap for base model impala?
  154. brake upgrade
  155. Bought The 06 Imp SS Today
  156. 06 impala ss engine bay
  157. Frozen Front Calipers Need Replacement
  158. New tubular control arms from Competition fab
  159. throttle body porting.
  160. Bought a 08 Impala
  161. My strut bad?
  162. Muffler Delete!!!!
  163. Track Day
  164. rear cargo springs or coilovers?
  165. transmisson shop
  166. Optima Battery at Advance Auto Parts
  167. Any of these cams worth it?
  168. My tips/tricks for LS1 Intake and Comp 1.85 rocker install....
  169. HID problems?
  170. Chrome Housings and Platinum Bulbs
  171. Help with gxp/C5 rear brake swap on Imp SS
  172. please help yall
  173. Opinions needed: Trade in Bonneville GXP for an Imp SS?
  174. Headers installed
  175. Anyone's car die when hitting a big bump?
  176. ??? Lowing Springs ???
  177. Oooooooo Shiney
  178. New Wheels & Rubber
  179. Bidgestone RE 760 sports my opinon
  180. LS4 engine+transmission prices
  181. Broken Remote.
  182. How long did it take to get your CAI intake
  183. Cd error?
  184. Air filter replacement
  185. slightly dissappointing day at track
  186. possibly getting rid of the ss
  187. G6 GTP or Grand Prix GXP?
  188. Semi new to the board
  189. tire.
  190. Extended Warranty Purchase?
  191. Quick Photoshoot *Moar Whoarage*
  192. New to the LS4 world
  193. Lower ball joint won't seat... help!
  194. New Tires Put on Today
  195. R.I.P Mr. Starter
  196. Drag tires
  197. Sold my Vette, replacement suggestions wanted
  198. New Heads
  199. tb adapter
  200. any borla out there?
  201. CORRECTION: tapping coming from both tailpipes..
  202. Dynomax VT anybody?
  203. Spintech Mufflers
  204. Tapping from tailpipe
  205. Heading to the track in 3 weeks!!!
  206. ????????tail lights???????
  207. Sad day last year GXP repoed, new toy, new rider, and measurespeed calculator
  208. I'm back!!!
  209. GXP brake pads other car fitments
  210. New and used parts for GXP Guys
  211. Harmonic Balancer............
  212. Brakemotive Rotors and pads
  213. Where to get an LS4 to three bolt TB adapter?
  214. !!!!!!!!!!!!!LS3 Valley Covers 30 Bucks Shipped !!!!!!!!!!
  215. Need a 3rd set of hubs at 65k...c'mon already
  216. ls4 headers question
  217. MS3 V2 Cam in LS4.....?
  218. Catless DP without a tune for a few days?
  219. Dry Nitrous
  220. Seriously considering selling
  221. '07 Impala SS clips after having it tuned.
  222. How to get 400hp?
  223. CAI what are you running?
  224. LS2 intake too big for LS4?
  225. Quiet performance mufflers
  226. Good wearing tires?
  227. Muffler inlet smaller than outlet
  228. stroker kit for ls4
  229. 2012 charger rt vs 2003 mustang gt (video)
  230. Buick regal gs
  231. On-Car Exhaust Videos!
  232. Rear Brakes
  233. 1/8th mile !!!
  234. stock headlight customization, retro fitted projectors, LED's and black chrome
  235. GXP Vs Cobalt ss/sc
  236. Sub 3000lb
  237. 2014 Impala at NY Auto Show
  238. Traded the Monte Carlo
  239. Next generation impala
  240. stripes or anything for the GXP.
  241. Aftermarket Tranmission And Shop inDFW ?
  242. squeak
  243. brake fitment issues
  244. Muffler help needed
  245. Just bought a Buick LaCrosse Super
  246. Will corvette Z05 rims fit on 08 Impala SS?
  247. Fluid Leaking
  248. Cam Swap
  249. Selling aftermarket parts
  250. Thinking about trading in the SS need opinions