View Full Version : LS4 Performance


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  1. vss wire
  2. Lost Again
  3. tire pressure sensors for cheap?
  4. my engine mount is destroyed
  5. Texas LS4 Meet
  6. Power steering pump
  7. Custom Engine plaque
  8. For the couple Texas members here...
  9. Ported LS4 Intake Manifold
  10. Tuners
  11. Fasterproms Ported LS4 Intake Manifold
  12. Back from "Cobalt Hell"
  13. Anyone have FOOSE Challenger rims?
  14. Converter issue... trans on its way out... surprise surprise...
  15. GP to Bonneville spring swap?
  16. Z06 front brake conversion on GXP
  17. Just looking out for fellow Members...
  18. why does my Impy SS roll like a manual tranny?
  19. New to LS4 community
  20. Wheel opinion
  21. New RIMS
  22. my new ss.
  23. To EVERYONE that has had tranny problems,
  24. So I was at the motor show yesterday...
  25. Questions about impala SS
  26. GXP Fiberglass Hood for sale w/ pics
  27. Rear Caliper Slider Bolts
  28. Gm High Tech magazine
  29. key fob with remote start question
  30. Your never going to believe this!!
  31. Oil Catch Can for excessive oil leaking in intake manifold
  32. transmission recall...
  33. Anyone interested in a Diablo Predator
  34. Oil pan gasket...where to find a higher end one
  35. LS4 Belt tensioner replacement... what a pain!!!
  36. Impala SS 2006 Surprising DYNO numbers!
  37. LED Tails
  38. WTB: Poly Dog Bone Bushing
  39. I have a stupid question.
  40. Whats up eveyone!
  41. Spintech Cat Back Installed -Video-
  42. I have the greatest dealer
  43. HID alternative?
  44. Torque Thrust Wheels
  45. thinking of switching cams
  46. any intrest in stock parts?
  47. Possible Ignition
  48. Emblems
  49. not very happy with impala
  50. Another tranny thread, problems at 37,200.
  51. World of Wheels pics
  52. So this was not expected...
  53. NFC Champions!!!!!!
  54. Mod plans...
  55. where to buy a hogan catless dp
  56. diy intake and feels like i lost power
  57. Off-Topic: Stub-Hub
  58. my tranny is starting to slip.
  59. rpm drop in 2nd gear
  60. Joined the Bad Tranny Club
  61. Source of stainless steel fittings?
  62. What are ls4 front drives classified as?
  63. GXP spare tire
  64. new avatar test
  65. flipped motor mount, how to.
  66. '09 Impala - rear squeaks going over speed bumps
  67. Steering Problem...
  68. GXP Nav
  69. IPod to GXP Nav unit
  70. *** FOR SALE *** U7191 DiabloSport Predator...
  71. Is the stock TB a limiting factor for a bolt-on car?
  72. GXP Front LH side Fender?
  73. rev limiter??
  74. Would this fuel rail fit a LS6 Intake?
  75. Please name these wheels ...
  76. Opinions WANTED! Dont you hate.....
  77. LS6 swap throttle body
  78. Impala SS vs Charger r/t
  79. Why'd you have to start shit Mel?
  80. Muffler Fit Question
  81. grand prix trunk mat
  82. Leaking power steering hose
  83. rear suspension?
  84. CAI Dyno Numbers?
  85. feeler, anyone want the stock navigation system?
  86. New Guy
  87. Thinking of buying a LS4
  88. Funny video
  89. hey mel need your help
  90. Another GXP Traded In for G8
  91. Impala Console Removal
  92. Another Mustang Kill
  93. quick answer about Don Romes stbs
  94. $150 a piece, take your pick
  95. World of Wheels
  96. Monsoon Stereo
  97. winter MPG
  98. GXP owners please step in
  99. D-I-Y shift kit observations
  100. 918 springs or dual springs valvetrain questions
  101. auxilary input for a gxp
  102. port & polish stock heads or aftermarket heads
  103. Modifying fuel rail, bending it
  104. Taller fuel injectors, higher rates?
  105. North America's LS4 Calendar pics
  106. FAST 92mm intake swap need help and info get ready to see it done
  107. North America's LS4 Calendars are in!!
  108. Transmission dead 41k miles
  109. SS Cop Cars?
  110. OPSU relocate But Where?
  111. Aftermarket Warranty
  112. Good S.E. Mich Transmission shops???
  113. Who else is bugged....
  114. E-brake problem
  115. Steering recall on 2006 Monte Carlo SS
  116. Would you buy a gxp with 100,000 miles?
  117. Those of you with rockers and rods
  118. New Wheel Bearings, And Bonus Stabilizer Bushings
  119. 2007 gxp
  120. Question
  121. Strange noise
  122. Oil pressure problem
  123. Estimated WHP increase w/ 3 mods - 09 SS
  124. GXP Aftermarket Rims
  125. What is our normal fuel pressure?
  126. Fuel rail Modification Whats it made of?
  127. Happy New Year!!!
  128. ADD OIL Light
  129. another transmission question
  130. stb issue
  131. 3rd Brake Light
  132. For those of you that have cutout on the gxp
  133. Dale Earnhardt Jr Killer wheels..... Anybody got em?????
  134. Badge Measurement
  135. How many G's Have You Pulled?
  136. Tran failure (nothing new) Possibly saying good bye though..
  137. catless dp
  138. Cai dimentions
  139. Borla exhaust?
  140. Exhaust cutout
  141. WTB fuel Rail
  142. LS6 or LS1 Manifold swap thoughts Questions
  143. Merry Christmas everyone!
  144. need a big favor
  145. Chrome plated grille
  146. Air Filter Question
  147. 2K6 Impala SS 6 Disc Changer Issue
  148. Which ls4 to get?
  149. quick question for the guys with HP tuners.
  150. What i did today
  151. LS4 Calendar on Sale Now
  152. 2000-2005 Monte Carlo headlights and tails for sale
  153. GXP Exhaust or Mufflers??
  154. Paypal Scam
  155. LS4 guys help with W-body.
  156. Anyone want the dyno results from my intake swap?
  157. rim and tire bargin
  158. New driveby...Hogan DP + Cutout
  159. lowering
  160. Hows it going... Newbie
  161. Recall for GXP
  162. got another Impala SS
  163. Help! 2005 GTP Monsoon speaker popping noise!
  164. North America's LS4 2010 Calendar
  165. Evil Mr. Winter came to NOVA/DC/MD/VA area, Poor Gxp has been abandoned...
  166. I would like to apologize for the other thread. (Paint opinions, not like the other)
  167. 05 GXP with heater control issues
  168. Let the hate and flames flow, pics of my car.
  169. Interested in TB spacer or adapter
  170. Looking at getting a gxp?
  171. Gauge Pods
  172. Got my Cutout! Brand,Placement, Sound, Vids, Pictures, Mods ect.
  173. LS6 throttle body
  174. Yearly reminder of the 'mistatements' from Diablosport
  175. Little slip in my tranny @ 54,445 miles
  176. tire size
  177. craigslist find
  178. World of Wheels
  179. couple problems with the gxp
  180. Every error you can think of just popped up....
  181. WTB Monte Carlo Foglight Trim
  182. Used W-Bodies
  183. the delcos dead
  184. Possible Transmission Failure in the works (again)
  185. its that time again
  186. Normal/Average Engine Coolant Temp...
  187. 05 gxp cai??
  188. Do Mustang Wheels fit? (sorry)
  189. 2007 Impala ls modding
  190. HID ballast mounting?
  191. Need Muffler Help!
  192. pretty impressed!!
  193. Dyno Chart DISCUSSION thread
  194. Dyno Charts Go Here
  195. Any Dyno mumbers with a Cam?
  196. Spare Tire for '08 GXP ??
  197. 2010 Calendar
  198. LS4 cam specs
  199. I miss the GXP, mostly, the TURBO :(
  200. tranny :(
  201. New Tires for me 2
  202. TPMS and 2008 GXP question
  203. Help me sort out whats true
  204. Should Diff Score Be this intrusive?
  205. Rear Defogger ?
  206. Need some help deciding on a Hand-held tuner
  207. For those worried about voiding your warranty when modding READ!
  208. For those who have done the intake swap already
  209. issues with stage 2 intake so i am putting an ls6 intake and headers on
  210. Cutout questions
  211. car bogging
  212. Question for you guys???
  213. Any way to make a ram air intake?
  214. Most Fun in a FWD
  215. Shocks and springs?!?!
  216. Tire Size Dilemma
  217. 5300 LS4 into a Grand Prix GT
  218. Cardi Gras benefit for Cystic Fibrosis
  219. for those of you who store you MCSS: car cover
  220. Look What I've Found
  221. Finally got some good 1/4 mile times w/VIDS
  222. crankshaft dimensions
  223. Am I The First Here?...
  224. Will 265 or 275 tires fit on stock rims?
  225. Successful LS6 Intake Manifold Swap, DOD Retained
  226. Escort Qi45 Finally Available
  227. Happy Thanksgiving
  228. My New Snow Boots
  229. GXP got crunched
  230. Odd Hesitation
  231. traded in the SS for a Hybrid Prius
  232. Nitrous Users
  233. 07 GXP alignment problem
  234. New Winter tires.
  235. Confirm my bad news... Tranny Problem
  236. supercharger question/suggestion
  237. Intake Installation Question
  238. Transmission Labor Costs
  239. Subs
  240. GXP Front Brakes Keep Warping
  241. problem with low beams
  242. Looking for pictures of stock manifolds
  243. What's my Impala SS worth?
  244. LED Lighting Strips - 2006 Impala SS (56k death)
  245. TPMS question
  246. intake issue
  247. Cheapest place to get magnaflow catback
  248. Results from cam, intake port, heads etc
  249. Another Exhaust Question
  250. had a run in with an IS-F today