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View Full Version : LS4 Performance


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  1. What looks better
  2. Spring decompression
  3. Check out my parts 4 sale in parts classified
  4. Great experience with Watter Wetter, undecided on Superchips programmer
  5. Throttle Body Spacer Dyno Sheets?
  6. True Fire
  7. Tranny Bump
  8. Rear stut suggetions.
  9. Now who wants to cut up an LS4 W-body?
  10. Got my new baby!
  11. Track night tomorrow 1st time this year
  12. CAI Problems?
  13. ABS, Traction Control or StabiliTrak light on
  14. HUD controls for GXP?
  15. Will these fit?
  16. GXP Wheels
  17. Just a quick question about this Grand prix I'm thinking of buying.
  18. Factory Catalytic converter size
  19. Help with dtc PO315
  20. Anyone have a K&N for sale?
  21. Downshifting
  22. 07 Monte SS for Sale...
  23. Flowmaster Exhaust
  24. Rain guards and 3M double sided tape.
  25. What type of Coolant for my 2006 Monte?
  26. Turned DOD off 1000 miles ago
  27. How do you turn off auto lights?
  28. please...only turbo guys chiming in.
  29. On-Star Making Calls On Its Own
  30. I filled up with 87 and was really surprised
  31. 2002 GTP LS4 swap?
  32. The "Inferno" hood.....
  33. LS4 manifold PN anyone?
  34. Did anyone see this? Looks promising...
  35. Missing hose on intake plenum
  36. is it possible to put a 6 speed transmission in this car
  37. Going Catless, tune Question
  38. Tires
  39. Funny
  40. help with replacing antifreeze/coolant
  41. Redline Oil the competition for Royal Purple
  42. West coast GXP prices...
  43. Wheels I'm looking at anyones thoughts?
  44. I hate animals/roadkill!
  45. Had A Little Fun Getting My A$$ Kicked
  46. Hogan DP
  47. Shady? Could I get some support here from the people I've sold/bought products from?
  48. Speaker demensions
  49. Popping My Cherry At The Track
  50. How about roll call
  51. Happy 4th of July
  52. Good place to install exahusts?
  53. July 4th Clear Bra Special
  54. what's next
  55. Insurance
  56. Finally Found a Car
  57. service recall
  58. Inside of car is stinky
  59. led tailights question
  60. LS4 on TH350
  61. GXP engine light
  62. Exhaust hanger(rubber band)
  63. rockers???
  64. Help Mods
  65. When I fiirst got the SS
  66. Heat soaked maf/iat sensor
  67. Shorter Dogbones
  68. WTB: Diablo Tuner 2006 Impala SS
  69. Working on Eleanor
  70. MAF sensor position question....
  71. FS: 2006+ Monte Carlo SS front spoiler/valence - $200 obo
  72. Hawk HPS Street Brake Pads
  73. a few things for sale
  74. Rotor question and if so anyone need a good used backup set of rotors
  75. Cat and mouse with a 5 series
  76. Everyone loves a parade.....
  77. need help
  78. Anyone know where the VSS Wire is?
  79. Question about Nitrous and other parts?
  80. For those who want Headers and new intake...
  81. 14.6...really????
  82. LS4 production numbers?
  83. We need to brainstorm...Trans. heat...
  84. how fast is a Monte ss?
  85. 160* or 180* t-stat
  86. Battery issue w 2008 GXP (still)
  87. Homemade Headers
  88. Whats the best Muffler?
  89. another exhaust question
  90. Widest Tires on Stock rims?
  91. Alternative intake setup?
  92. Labor for spring install with camber bolts
  93. Another wheel question....
  94. Killed a Vette this weekend!
  95. Interior noise
  96. buying brakes ?????
  97. Muffler Suggestions
  98. Project: GXP-TN2O (R)eserved has BEGUN!!!
  99. Funny song
  100. GXP meaning
  101. Spark Plugs
  102. I'm Back
  103. Bored..so I Made a new video
  104. When your New Girlfriend Meets your Ex....
  105. Turbo project and more..
  106. Diablo Sport Programmer for sale
  107. Farewell to LS4
  108. O2 sensor question (how many)
  109. Any Top Gear fans here?
  110. Check Engine Light.... Automatic Starter?
  111. Happy Fathers Day
  112. Back to the Track!
  113. The emblem I want on my GXP
  114. What do i need to supercharge my 3800
  115. what kind of oil should i use for the summer
  116. GXP Wheel Repair
  117. 2010 NO more LS4
  118. LS4 Cam ?
  119. SO...I thought I had a lifter going south...tap tap tap tap..but..
  120. GXP Trade in value
  121. Hope I didn't screw up!
  122. e-cutout installed
  123. GXPs with factory wheels that need tires check this thread out and save a few $$$
  124. DIY intake
  125. The Carlo Crusader Pics
  126. my burnout
  127. Hogan DownPipe Rear Flange
  128. new rotors, pads, and painted calipers
  129. Have sold the 2007 Impala SS
  130. Entered my GXP in a burnout contest today
  131. wheel question
  132. Billet Grille Problem!
  133. Service Brake Assist over DIC???
  134. 2006 Impala SS Mufflers-Flowmaster
  135. Urgent help needed
  136. Summer Oil
  137. Wideband for sale
  138. Lowering question
  139. Will 04 Comp G rims fit my 08 Grand Prix GXP ?
  140. god awful fuel economy grand prix gxp
  141. the root of our Mod problems
  142. need some help
  143. how high should i set my revs
  144. Those of You Who Have Poly Dog Bone Mounts
  145. different remote range problem
  146. I had the brakes done and there is vibration
  147. **Garage cleaning**
  148. 3 questions from a newbie
  149. 2007 Impala SS
  150. new to site
  151. Hi from Iraq
  152. FS Cold Air Inductions intake
  153. Track Day
  154. Cold Start / Tranny Question
  155. Performance Parts I think this platform needs
  156. Heat Soak Reduction w/ nitrous.
  157. Few track vids...
  158. Smooth Intake Bellow
  159. 27th All G.M. Car/Truck Show & Swap Meet
  160. I lost to an 350Z
  161. LS4 exhaust manifolds WTB
  162. Removed my fan belt
  163. Heat soak Reduction Kit sensor location?
  164. **Sold car= parts to sell!!**
  165. Random Dents--08 Lacrosse Super
  166. I Need To Figure Out How To Work On My Engine
  167. think i can end heat soak with this idea
  168. new pics of my Grand Prix GXP
  169. Stupid Question on a Catless DP
  170. In car view from my racecar.
  171. Need some people to get tuned for a group tuning and dyno
  172. Vibration
  173. BuffaLOW...SS
  174. Best mods for top end?
  175. Play in the wheels, is it normal?
  176. I'm a post whore sorry! Car weighs 3580 without driver
  177. Will a 16 or 17" wheel fit the GXP?
  178. Been a while but I'm back!
  179. Oil Bearing Tests...
  180. My Car Went To The Dyno
  181. tires goodyear question
  182. ls4 oil problem?
  183. ALL GM Carlisle Anyone???
  184. rear tire problem
  185. Got to meet a member
  186. tranny issue with 07 impala ss
  187. Question about putting new brakes on.
  188. Aux input jack
  189. SSC Lowering Springs going on Sunday, but...
  190. Need brakes??? Buy your brakes here http://www.notasponsor.com/
  191. extremly strange dealer problem help!
  192. Someday the back of the GXP will look like this
  193. how much will stickier tires affect performance
  194. Tunning #'s please
  195. A couple clean pics and the cutout
  196. Photoshoot: Mr. Burns all clean and tinted!
  197. 08 GXP mods
  198. Chime in those timing/tune #'s on na
  199. McGwires paste gold class wax-the best
  200. E.t. of BONE STOCK 06 Impala SS
  201. Memorial Day
  202. Rubber Motor Mount
  203. So here is what i have come up with????
  204. Anyone interested in my set of Hoosier 245/35/18 tires pics excellent condition
  205. Doing some massive work to my car.
  206. Royal Purple soon to be in my car (see video on first page)
  207. New Rockers for our cars...
  208. My New Tires.
  209. Diablosport, sent this to Mike and I'm still waiting. Read this guys
  210. Power Steering Fluid
  211. doing a lot of work to my car and need some help asap
  212. Help!!wet shot ls4 owners chime in please
  213. Tire Goo
  214. 2005 GXP cars read this Superchips has made support for our cars (getting test file)
  215. Head
  216. Blown tranny?
  217. IAT Temperatures
  218. Help with mufflers
  219. New member with question...
  220. Mpg
  221. SERIOUS READERS LONG!!(N2O/NA-TECH) #7 Plug FRIED!!!
  222. Question about head lights
  223. FS: Monte Carlo SS LOW MILES, CLEAN
  224. 2007 Grand Prix GXP 31k North Central PA
  225. Mechanical O2 simulator works! So far....
  226. Finally!! After 3weeks!!!
  227. MAF and Predator BRAND NEW
  228. First race in the new race car (circle track)
  229. 2006 impala ss preformance mods
  230. Electric Cutout
  231. Another Intake lol
  232. Turning Under radio opening to switch panel
  233. Happy my day at the track!
  234. DynoStorm. Check this out
  235. 2002 Monte Carlo SS Woes
  236. What is a good web site for parts?
  237. Ran 2007 Mustang cobra
  238. Is CAI ripping me off??
  239. lowering my gxp
  240. Black GXP rims
  241. Side Skirts (Rocker Panel Molding)
  242. Straight Pipes
  243. Hogan DP ?
  244. Tire opions.
  245. Will this fast 78mm intake manifold work?
  246. Cutout placement problems
  247. Electrical Gremlin?
  248. Battery issue w 2008 GXP
  249. Drag wheels/radials...specs? Where?
  250. Some Car Mods i have been working on.