View Full Version : LS4 Performance


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  1. Strange Trans Issue
  2. Exhaust video
  3. Took down an STS today
  4. impala ss 2006 halo CCFL turning off
  5. Finally got pics of the ss after death.
  6. Cutout
  7. Happy Mardi Gras
  8. wiper fluid not coming out
  9. Colormatched headlights are almost done
  10. Removing Intake manifold Question
  11. Selling the SS
  12. My 08 SS vs. 98 Turbocharged 240sx
  13. Spintech Clips as Promised
  14. minor mod GXP Vs Minor mod TC SS Coby
  15. Oil Pressure sensor replacement
  16. Newb with suspension ??s
  17. mpd hood questions
  18. GXP exhaust measurements
  19. Another Wheels Thread
  20. cabin filter
  21. CV Boot leaking
  22. Air Bag Question
  23. trans for LS4 fwd. 0km
  24. Found this funny
  25. Project: GXP-TN2O UPDATE
  26. Ls4 belt tensioner replacement, lessions I learned!
  27. Blew the P/S cooler line
  28. Cold Air Intake?
  29. GXP fuel mileage
  30. High Idle - Cold Start Warmup
  31. WHO Dat
  32. Gold bow tie replacement....
  33. Stock SS wheels needed
  34. DIY!!Bulb repacement for heater control unit!!!
  35. vss wire
  36. Lost Again
  37. tire pressure sensors for cheap?
  38. my engine mount is destroyed
  39. Texas LS4 Meet
  40. Power steering pump
  41. Custom Engine plaque
  42. For the couple Texas members here...
  43. Ported LS4 Intake Manifold
  44. Tuners
  45. Fasterproms Ported LS4 Intake Manifold
  46. Back from "Cobalt Hell"
  47. Anyone have FOOSE Challenger rims?
  48. Converter issue... trans on its way out... surprise surprise...
  49. GP to Bonneville spring swap?
  50. Z06 front brake conversion on GXP
  51. Just looking out for fellow Members...
  52. why does my Impy SS roll like a manual tranny?
  53. New to LS4 community
  54. Wheel opinion
  55. New RIMS
  56. my new ss.
  57. To EVERYONE that has had tranny problems,
  58. So I was at the motor show yesterday...
  59. Questions about impala SS
  60. GXP Fiberglass Hood for sale w/ pics
  61. Rear Caliper Slider Bolts
  62. Gm High Tech magazine
  63. key fob with remote start question
  64. Your never going to believe this!!
  65. Oil Catch Can for excessive oil leaking in intake manifold
  66. transmission recall...
  67. Anyone interested in a Diablo Predator
  68. Oil pan gasket...where to find a higher end one
  69. LS4 Belt tensioner replacement... what a pain!!!
  70. Impala SS 2006 Surprising DYNO numbers!
  71. LED Tails
  72. WTB: Poly Dog Bone Bushing
  73. I have a stupid question.
  74. Whats up eveyone!
  75. Spintech Cat Back Installed -Video-
  76. I have the greatest dealer
  77. HID alternative?
  78. Torque Thrust Wheels
  79. thinking of switching cams
  80. any intrest in stock parts?
  81. Possible Ignition
  82. Emblems
  83. not very happy with impala
  84. Another tranny thread, problems at 37,200.
  85. World of Wheels pics
  86. So this was not expected...
  87. NFC Champions!!!!!!
  88. Mod plans...
  89. where to buy a hogan catless dp
  90. diy intake and feels like i lost power
  91. Off-Topic: Stub-Hub
  92. my tranny is starting to slip.
  93. rpm drop in 2nd gear
  94. Joined the Bad Tranny Club
  95. Source of stainless steel fittings?
  96. What are ls4 front drives classified as?
  97. GXP spare tire
  98. new avatar test
  99. flipped motor mount, how to.
  100. '09 Impala - rear squeaks going over speed bumps
  101. Steering Problem...
  102. GXP Nav
  103. IPod to GXP Nav unit
  104. *** FOR SALE *** U7191 DiabloSport Predator...
  105. Is the stock TB a limiting factor for a bolt-on car?
  106. GXP Front LH side Fender?
  107. rev limiter??
  108. Would this fuel rail fit a LS6 Intake?
  109. Please name these wheels ...
  110. Opinions WANTED! Dont you hate.....
  111. LS6 swap throttle body
  112. Impala SS vs Charger r/t
  113. Why'd you have to start shit Mel?
  114. Muffler Fit Question
  115. grand prix trunk mat
  116. Leaking power steering hose
  117. rear suspension?
  118. CAI Dyno Numbers?
  119. feeler, anyone want the stock navigation system?
  120. New Guy
  121. Thinking of buying a LS4
  122. Funny video
  123. hey mel need your help
  124. Another GXP Traded In for G8
  125. Impala Console Removal
  126. Another Mustang Kill
  127. quick answer about Don Romes stbs
  128. $150 a piece, take your pick
  129. World of Wheels
  130. Monsoon Stereo
  131. winter MPG
  132. GXP owners please step in
  133. D-I-Y shift kit observations
  134. 918 springs or dual springs valvetrain questions
  135. auxilary input for a gxp
  136. port & polish stock heads or aftermarket heads
  137. Modifying fuel rail, bending it
  138. Taller fuel injectors, higher rates?
  139. North America's LS4 Calendar pics
  140. FAST 92mm intake swap need help and info get ready to see it done
  141. North America's LS4 Calendars are in!!
  142. Transmission dead 41k miles
  143. SS Cop Cars?
  144. OPSU relocate But Where?
  145. Aftermarket Warranty
  146. Good S.E. Mich Transmission shops???
  147. Who else is bugged....
  148. E-brake problem
  149. Steering recall on 2006 Monte Carlo SS
  150. Would you buy a gxp with 100,000 miles?
  151. Those of you with rockers and rods
  152. New Wheel Bearings, And Bonus Stabilizer Bushings
  153. 2007 gxp
  154. Question
  155. Strange noise
  156. Oil pressure problem
  157. Estimated WHP increase w/ 3 mods - 09 SS
  158. GXP Aftermarket Rims
  159. What is our normal fuel pressure?
  160. Fuel rail Modification Whats it made of?
  161. Happy New Year!!!
  162. ADD OIL Light
  163. another transmission question
  164. stb issue
  165. 3rd Brake Light
  166. For those of you that have cutout on the gxp
  167. Dale Earnhardt Jr Killer wheels..... Anybody got em?????
  168. Badge Measurement
  169. How many G's Have You Pulled?
  170. Tran failure (nothing new) Possibly saying good bye though..
  171. catless dp
  172. Cai dimentions
  173. Borla exhaust?
  174. Exhaust cutout
  175. WTB fuel Rail
  176. LS6 or LS1 Manifold swap thoughts Questions
  177. Merry Christmas everyone!
  178. need a big favor
  179. Chrome plated grille
  180. Air Filter Question
  181. 2K6 Impala SS 6 Disc Changer Issue
  182. Which ls4 to get?
  183. quick question for the guys with HP tuners.
  184. What i did today
  185. LS4 Calendar on Sale Now
  186. 2000-2005 Monte Carlo headlights and tails for sale
  187. GXP Exhaust or Mufflers??
  188. Paypal Scam
  189. LS4 guys help with W-body.
  190. Anyone want the dyno results from my intake swap?
  191. rim and tire bargin
  192. New driveby...Hogan DP + Cutout
  193. lowering
  194. Hows it going... Newbie
  195. Recall for GXP
  196. got another Impala SS
  197. Help! 2005 GTP Monsoon speaker popping noise!
  198. North America's LS4 2010 Calendar
  199. Evil Mr. Winter came to NOVA/DC/MD/VA area, Poor Gxp has been abandoned...
  200. I would like to apologize for the other thread. (Paint opinions, not like the other)
  201. 05 GXP with heater control issues
  202. Let the hate and flames flow, pics of my car.
  203. Interested in TB spacer or adapter
  204. Looking at getting a gxp?
  205. Gauge Pods
  206. Got my Cutout! Brand,Placement, Sound, Vids, Pictures, Mods ect.
  207. LS6 throttle body
  208. Yearly reminder of the 'mistatements' from Diablosport
  209. Little slip in my tranny @ 54,445 miles
  210. tire size
  211. craigslist find
  212. World of Wheels
  213. couple problems with the gxp
  214. Every error you can think of just popped up....
  215. WTB Monte Carlo Foglight Trim
  216. Used W-Bodies
  217. the delcos dead
  218. Possible Transmission Failure in the works (again)
  219. its that time again
  220. Normal/Average Engine Coolant Temp...
  221. 05 gxp cai??
  222. Do Mustang Wheels fit? (sorry)
  223. 2007 Impala ls modding
  224. HID ballast mounting?
  225. Need Muffler Help!
  226. pretty impressed!!
  227. Dyno Chart DISCUSSION thread
  228. Dyno Charts Go Here
  229. Any Dyno mumbers with a Cam?
  230. Spare Tire for '08 GXP ??
  231. 2010 Calendar
  232. LS4 cam specs
  233. I miss the GXP, mostly, the TURBO :(
  234. tranny :(
  235. New Tires for me 2
  236. TPMS and 2008 GXP question
  237. Help me sort out whats true
  238. Should Diff Score Be this intrusive?
  239. Rear Defogger ?
  240. Need some help deciding on a Hand-held tuner
  241. For those worried about voiding your warranty when modding READ!
  242. For those who have done the intake swap already
  243. issues with stage 2 intake so i am putting an ls6 intake and headers on
  244. Cutout questions
  245. car bogging
  246. Question for you guys???
  247. Any way to make a ram air intake?
  248. Most Fun in a FWD
  249. Shocks and springs?!?!
  250. Tire Size Dilemma