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View Full Version : LS4 Performance


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  1. Quick Tuning Question...
  2. K&N Owners, speak up
  3. Problem with gas cap?
  4. New car, need advice!!!
  5. difference in magnaflow cat back price?
  6. Maybe the wrong place
  7. For you iPhone owners Dynolicious download proven better than G-Tech
  8. Question about transmission function in my Grand Prix?
  9. New Pics
  10. tire recomdendations
  11. New pics of my '06 Grand Prix GXP
  12. Jay Lenos SS
  13. Oil ?
  14. Sat in the back of a police car..
  15. This manifold would clear dod
  16. Does Anyone Have A Used CAI For An 06 Impala SS?
  17. Need Some Help Please?
  18. plans for august
  19. Exhaust Tip Advice
  20. I was looking at a 2004 GTO
  21. Changing spark plugs on an LS4
  22. diablosport owners
  23. Video of my impala ss no muffler
  24. mufflers
  25. Engine cover paint
  26. Really sick of shit like this
  27. New Tires
  28. Tuning advice for the LS4?
  29. DP Questions
  30. Pauls Carcraft summer nat Pics
  31. Legendary Ride home
  32. Battery in my monte is Dead. how do you jump it.
  33. Ok, So Three Random Questions.
  34. Anybody tried this SLR chip?
  35. Pics of the New Additions to the Monte!
  36. Upgrading Spark Plug Wires
  37. Sonic helix bore
  38. Is it about to go or what?
  39. Went to the track on saturday.
  40. Good news!!!!!!
  41. How to disable DRL
  42. New GXP rotors grinding
  43. DP7S or DP5S
  44. 06 impala ss
  45. Fender Signal Version 2
  46. Maybe its not an 07?
  47. Jet
  48. system in spare well
  49. Hogan Performance
  50. WTB Passenger Side Headlight
  51. Disasterous Hptuners tuning PLEASE HELP
  52. Dead battery or fudged Theft System...
  53. Exhaust cutout?
  54. I Need some shorty 60lb injectors..NE one??
  55. What looks better
  56. Spring decompression
  57. Check out my parts 4 sale in parts classified
  58. Great experience with Watter Wetter, undecided on Superchips programmer
  59. Throttle Body Spacer Dyno Sheets?
  60. True Fire
  61. Tranny Bump
  62. Rear stut suggetions.
  63. Now who wants to cut up an LS4 W-body?
  64. Got my new baby!
  65. Track night tomorrow 1st time this year
  66. CAI Problems?
  67. ABS, Traction Control or StabiliTrak light on
  68. HUD controls for GXP?
  69. Will these fit?
  70. GXP Wheels
  71. Just a quick question about this Grand prix I'm thinking of buying.
  72. Factory Catalytic converter size
  73. Help with dtc PO315
  74. Anyone have a K&N for sale?
  75. Downshifting
  76. 07 Monte SS for Sale...
  77. Flowmaster Exhaust
  78. Rain guards and 3M double sided tape.
  79. What type of Coolant for my 2006 Monte?
  80. Turned DOD off 1000 miles ago
  81. How do you turn off auto lights?
  82. please...only turbo guys chiming in.
  83. On-Star Making Calls On Its Own
  84. I filled up with 87 and was really surprised
  85. 2002 GTP LS4 swap?
  86. The "Inferno" hood.....
  87. LS4 manifold PN anyone?
  88. Did anyone see this? Looks promising...
  89. Missing hose on intake plenum
  90. is it possible to put a 6 speed transmission in this car
  91. Going Catless, tune Question
  92. Tires
  93. Funny
  94. help with replacing antifreeze/coolant
  95. Redline Oil the competition for Royal Purple
  96. West coast GXP prices...
  97. Wheels I'm looking at anyones thoughts?
  98. I hate animals/roadkill!
  99. Had A Little Fun Getting My A$$ Kicked
  100. Hogan DP
  101. Shady? Could I get some support here from the people I've sold/bought products from?
  102. Speaker demensions
  103. Popping My Cherry At The Track
  104. How about roll call
  105. Happy 4th of July
  106. Good place to install exahusts?
  107. July 4th Clear Bra Special
  108. what's next
  109. Insurance
  110. Finally Found a Car
  111. service recall
  112. Inside of car is stinky
  113. led tailights question
  114. LS4 on TH350
  115. GXP engine light
  116. Exhaust hanger(rubber band)
  117. rockers???
  118. Help Mods
  119. When I fiirst got the SS
  120. Heat soaked maf/iat sensor
  121. Shorter Dogbones
  122. WTB: Diablo Tuner 2006 Impala SS
  123. Working on Eleanor
  124. MAF sensor position question....
  125. FS: 2006+ Monte Carlo SS front spoiler/valence - $200 obo
  126. Hawk HPS Street Brake Pads
  127. a few things for sale
  128. Rotor question and if so anyone need a good used backup set of rotors
  129. Cat and mouse with a 5 series
  130. Everyone loves a parade.....
  131. need help
  132. Anyone know where the VSS Wire is?
  133. Question about Nitrous and other parts?
  134. For those who want Headers and new intake...
  135. 14.6...really????
  136. LS4 production numbers?
  137. We need to brainstorm...Trans. heat...
  138. how fast is a Monte ss?
  139. 160* or 180* t-stat
  140. Battery issue w 2008 GXP (still)
  141. Homemade Headers
  142. Whats the best Muffler?
  143. another exhaust question
  144. Widest Tires on Stock rims?
  145. Alternative intake setup?
  146. Labor for spring install with camber bolts
  147. Another wheel question....
  148. Killed a Vette this weekend!
  149. Interior noise
  150. buying brakes ?????
  151. Muffler Suggestions
  152. Project: GXP-TN2O (R)eserved has BEGUN!!!
  153. Funny song
  154. GXP meaning
  155. Spark Plugs
  156. I'm Back
  157. Bored..so I Made a new video
  158. When your New Girlfriend Meets your Ex....
  159. Turbo project and more..
  160. Diablo Sport Programmer for sale
  161. Farewell to LS4
  162. O2 sensor question (how many)
  163. Any Top Gear fans here?
  164. Check Engine Light.... Automatic Starter?
  165. Happy Fathers Day
  166. Back to the Track!
  167. The emblem I want on my GXP
  168. What do i need to supercharge my 3800
  169. what kind of oil should i use for the summer
  170. GXP Wheel Repair
  171. 2010 NO more LS4
  172. LS4 Cam ?
  173. SO...I thought I had a lifter going south...tap tap tap tap..but..
  174. GXP Trade in value
  175. Hope I didn't screw up!
  176. e-cutout installed
  177. GXPs with factory wheels that need tires check this thread out and save a few $$$
  178. DIY intake
  179. The Carlo Crusader Pics
  180. my burnout
  181. Hogan DownPipe Rear Flange
  182. new rotors, pads, and painted calipers
  183. Have sold the 2007 Impala SS
  184. Entered my GXP in a burnout contest today
  185. wheel question
  186. Billet Grille Problem!
  187. Service Brake Assist over DIC???
  188. 2006 Impala SS Mufflers-Flowmaster
  189. Urgent help needed
  190. Summer Oil
  191. Wideband for sale
  192. Lowering question
  193. Will 04 Comp G rims fit my 08 Grand Prix GXP ?
  194. god awful fuel economy grand prix gxp
  195. the root of our Mod problems
  196. need some help
  197. how high should i set my revs
  198. Those of You Who Have Poly Dog Bone Mounts
  199. different remote range problem
  200. I had the brakes done and there is vibration
  201. **Garage cleaning**
  202. 3 questions from a newbie
  203. 2007 Impala SS
  204. new to site
  205. Hi from Iraq
  206. FS Cold Air Inductions intake
  207. Track Day
  208. Cold Start / Tranny Question
  209. Performance Parts I think this platform needs
  210. Heat Soak Reduction w/ nitrous.
  211. Few track vids...
  212. Smooth Intake Bellow
  213. 27th All G.M. Car/Truck Show & Swap Meet
  214. I lost to an 350Z
  215. LS4 exhaust manifolds WTB
  216. Removed my fan belt
  217. Heat soak Reduction Kit sensor location?
  218. **Sold car= parts to sell!!**
  219. Random Dents--08 Lacrosse Super
  220. I Need To Figure Out How To Work On My Engine
  221. think i can end heat soak with this idea
  222. new pics of my Grand Prix GXP
  223. Stupid Question on a Catless DP
  224. In car view from my racecar.
  225. Need some people to get tuned for a group tuning and dyno
  226. Vibration
  227. BuffaLOW...SS
  228. Best mods for top end?
  229. Play in the wheels, is it normal?
  230. I'm a post whore sorry! Car weighs 3580 without driver
  231. Will a 16 or 17" wheel fit the GXP?
  232. Been a while but I'm back!
  233. Oil Bearing Tests...
  234. My Car Went To The Dyno
  235. tires goodyear question
  236. ls4 oil problem?
  237. ALL GM Carlisle Anyone???
  238. rear tire problem
  239. Got to meet a member
  240. tranny issue with 07 impala ss
  241. Question about putting new brakes on.
  242. Aux input jack
  243. SSC Lowering Springs going on Sunday, but...
  244. Need brakes??? Buy your brakes here http://www.notasponsor.com/
  245. extremly strange dealer problem help!
  246. Someday the back of the GXP will look like this
  247. how much will stickier tires affect performance
  248. Tunning #'s please
  249. A couple clean pics and the cutout
  250. Photoshoot: Mr. Burns all clean and tinted!