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View Full Version : LS4 Performance


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  1. Exhaust hanger(rubber band)
  2. rockers???
  3. Help Mods
  4. When I fiirst got the SS
  5. Heat soaked maf/iat sensor
  6. Shorter Dogbones
  7. WTB: Diablo Tuner 2006 Impala SS
  8. Working on Eleanor
  9. MAF sensor position question....
  10. FS: 2006+ Monte Carlo SS front spoiler/valence - $200 obo
  11. Hawk HPS Street Brake Pads
  12. a few things for sale
  13. Rotor question and if so anyone need a good used backup set of rotors
  14. Cat and mouse with a 5 series
  15. Everyone loves a parade.....
  16. need help
  17. Anyone know where the VSS Wire is?
  18. Question about Nitrous and other parts?
  19. For those who want Headers and new intake...
  20. 14.6...really????
  21. LS4 production numbers?
  22. We need to brainstorm...Trans. heat...
  23. how fast is a Monte ss?
  24. 160* or 180* t-stat
  25. Battery issue w 2008 GXP (still)
  26. Homemade Headers
  27. Whats the best Muffler?
  28. another exhaust question
  29. Widest Tires on Stock rims?
  30. Alternative intake setup?
  31. Labor for spring install with camber bolts
  32. Another wheel question....
  33. Killed a Vette this weekend!
  34. Interior noise
  35. buying brakes ?????
  36. Muffler Suggestions
  37. Project: GXP-TN2O (R)eserved has BEGUN!!!
  38. Funny song
  39. GXP meaning
  40. Spark Plugs
  41. I'm Back
  42. Bored..so I Made a new video
  43. When your New Girlfriend Meets your Ex....
  44. Turbo project and more..
  45. Diablo Sport Programmer for sale
  46. Farewell to LS4
  47. O2 sensor question (how many)
  48. Any Top Gear fans here?
  49. Check Engine Light.... Automatic Starter?
  50. Happy Fathers Day
  51. Back to the Track!
  52. The emblem I want on my GXP
  53. What do i need to supercharge my 3800
  54. what kind of oil should i use for the summer
  55. GXP Wheel Repair
  56. 2010 NO more LS4
  57. LS4 Cam ?
  58. SO...I thought I had a lifter going south...tap tap tap tap..but..
  59. GXP Trade in value
  60. Hope I didn't screw up!
  61. e-cutout installed
  62. GXPs with factory wheels that need tires check this thread out and save a few $$$
  63. DIY intake
  64. The Carlo Crusader Pics
  65. my burnout
  66. Hogan DownPipe Rear Flange
  67. new rotors, pads, and painted calipers
  68. Have sold the 2007 Impala SS
  69. Entered my GXP in a burnout contest today
  70. wheel question
  71. Billet Grille Problem!
  72. Service Brake Assist over DIC???
  73. 2006 Impala SS Mufflers-Flowmaster
  74. Urgent help needed
  75. Summer Oil
  76. Wideband for sale
  77. Lowering question
  78. Will 04 Comp G rims fit my 08 Grand Prix GXP ?
  79. god awful fuel economy grand prix gxp
  80. the root of our Mod problems
  81. need some help
  82. how high should i set my revs
  83. Those of You Who Have Poly Dog Bone Mounts
  84. different remote range problem
  85. I had the brakes done and there is vibration
  86. **Garage cleaning**
  87. 3 questions from a newbie
  88. 2007 Impala SS
  89. new to site
  90. Hi from Iraq
  91. FS Cold Air Inductions intake
  92. Track Day
  93. Cold Start / Tranny Question
  94. Performance Parts I think this platform needs
  95. Heat Soak Reduction w/ nitrous.
  96. Few track vids...
  97. Smooth Intake Bellow
  98. 27th All G.M. Car/Truck Show & Swap Meet
  99. I lost to an 350Z
  100. LS4 exhaust manifolds WTB
  101. Removed my fan belt
  102. Heat soak Reduction Kit sensor location?
  103. **Sold car= parts to sell!!**
  104. Random Dents--08 Lacrosse Super
  105. I Need To Figure Out How To Work On My Engine
  106. think i can end heat soak with this idea
  107. new pics of my Grand Prix GXP
  108. Stupid Question on a Catless DP
  109. In car view from my racecar.
  110. Need some people to get tuned for a group tuning and dyno
  111. Vibration
  112. BuffaLOW...SS
  113. Best mods for top end?
  114. Play in the wheels, is it normal?
  115. I'm a post whore sorry! Car weighs 3580 without driver
  116. Will a 16 or 17" wheel fit the GXP?
  117. Been a while but I'm back!
  118. Oil Bearing Tests...
  119. My Car Went To The Dyno
  120. tires goodyear question
  121. ls4 oil problem?
  122. ALL GM Carlisle Anyone???
  123. rear tire problem
  124. Got to meet a member
  125. tranny issue with 07 impala ss
  126. Question about putting new brakes on.
  127. Aux input jack
  128. SSC Lowering Springs going on Sunday, but...
  129. Need brakes??? Buy your brakes here http://www.notasponsor.com/
  130. extremly strange dealer problem help!
  131. Someday the back of the GXP will look like this
  132. how much will stickier tires affect performance
  133. Tunning #'s please
  134. A couple clean pics and the cutout
  135. Photoshoot: Mr. Burns all clean and tinted!
  136. 08 GXP mods
  137. Chime in those timing/tune #'s on na
  138. McGwires paste gold class wax-the best
  139. E.t. of BONE STOCK 06 Impala SS
  140. Memorial Day
  141. Rubber Motor Mount
  142. So here is what i have come up with????
  143. Anyone interested in my set of Hoosier 245/35/18 tires pics excellent condition
  144. Doing some massive work to my car.
  145. Royal Purple soon to be in my car (see video on first page)
  146. New Rockers for our cars...
  147. My New Tires.
  148. Diablosport, sent this to Mike and I'm still waiting. Read this guys
  149. Power Steering Fluid
  150. doing a lot of work to my car and need some help asap
  151. Help!!wet shot ls4 owners chime in please
  152. Tire Goo
  153. 2005 GXP cars read this Superchips has made support for our cars (getting test file)
  154. Head
  155. Blown tranny?
  156. IAT Temperatures
  157. Help with mufflers
  158. New member with question...
  159. Mpg
  160. SERIOUS READERS LONG!!(N2O/NA-TECH) #7 Plug FRIED!!!
  161. Question about head lights
  162. FS: Monte Carlo SS LOW MILES, CLEAN
  163. 2007 Grand Prix GXP 31k North Central PA
  164. Mechanical O2 simulator works! So far....
  165. Finally!! After 3weeks!!!
  166. MAF and Predator BRAND NEW
  167. First race in the new race car (circle track)
  168. 2006 impala ss preformance mods
  169. Electric Cutout
  170. Another Intake lol
  171. Turning Under radio opening to switch panel
  172. Happy my day at the track!
  173. DynoStorm. Check this out
  174. 2002 Monte Carlo SS Woes
  175. What is a good web site for parts?
  176. Ran 2007 Mustang cobra
  177. Is CAI ripping me off??
  178. lowering my gxp
  179. Black GXP rims
  180. Side Skirts (Rocker Panel Molding)
  181. Straight Pipes
  182. Hogan DP ?
  183. Tire opions.
  184. Will this fast 78mm intake manifold work?
  185. Cutout placement problems
  186. Electrical Gremlin?
  187. Battery issue w 2008 GXP
  188. Drag wheels/radials...specs? Where?
  189. Some Car Mods i have been working on.
  190. FS: 06 MC SS Stereo
  191. Hood protector - reinstalled
  192. LS4 Physical Dimensions
  193. Couple pics
  194. Cigarette burns :(
  195. .83 g's accel
  196. Warranty
  197. The final cam question...maybe
  198. cams on jegs
  199. 2006 impala ss
  200. trifecta custom performance
  201. Tire Dilemma
  202. Nos on a 3.8 series 2?
  203. Selling LS4 Badge
  204. Participated in a parade today...
  205. Maf??
  206. why is the top end so bad? Will tune make it better?
  207. Selling some GXP stuff.
  208. It's here!
  209. Broken valve stem/TPMS
  210. has anyone supercharged the gxp?
  211. **Diablo tuner for sale!!**
  212. lets talk weight reduction...
  213. Getting rims and tires...want some feedback
  214. window tint
  215. Radio Porblem
  216. Bye Bye Impala SS
  217. Build Sheet / RPO Sticker
  218. Track Night
  219. Drag radials
  220. Stock Stall Speed ?
  221. Anyone willing to share a tune?
  222. Does anyone have a tuner on there LS4?
  223. Need tuning suggestions
  224. DEI exhaust wrap
  225. k+n intake
  226. Strut Tower Braces - Front Fitment Issue
  227. Auto start problems?????
  228. SSC Springs - get'em while they're hot!
  229. chuckling...
  230. anyone wanna take over my lease??
  231. New Track Footage
  232. Went to the races.
  233. The BEST tranny cooler?
  234. Got a Superchips Cortex programmer
  235. Water wetter
  236. need help deciding between 2 springs
  237. Quaker State Goes Unchallenged
  238. hey
  239. question about keyless+tire sensor
  240. Welcome myself......
  241. Bye, for now, LS4 owners
  242. A letter to GM
  243. Cross Drilled and Slotted Brakes
  244. Got a Superchips Flashpaq and talked to Mike at Diablosport
  245. Cold Air Inductions-GXP-intake for sale
  246. HUD in my truck
  247. stock rims tire sizes?
  248. Summit Fully Welded Mufflers
  249. My go at a Headlight Intake
  250. Anyone need a set of GXP tips...