View Full Version : LS4 Performance


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  1. Oil Catch Can for excessive oil leaking in intake manifold
  2. transmission recall...
  3. Anyone interested in a Diablo Predator
  4. Oil pan gasket...where to find a higher end one
  5. LS4 Belt tensioner replacement... what a pain!!!
  6. Impala SS 2006 Surprising DYNO numbers!
  7. LED Tails
  8. WTB: Poly Dog Bone Bushing
  9. I have a stupid question.
  10. Whats up eveyone!
  11. Spintech Cat Back Installed -Video-
  12. I have the greatest dealer
  13. HID alternative?
  14. Torque Thrust Wheels
  15. thinking of switching cams
  16. any intrest in stock parts?
  17. Possible Ignition
  18. Emblems
  19. not very happy with impala
  20. Another tranny thread, problems at 37,200.
  21. World of Wheels pics
  22. So this was not expected...
  23. NFC Champions!!!!!!
  24. Mod plans...
  25. where to buy a hogan catless dp
  26. diy intake and feels like i lost power
  27. Off-Topic: Stub-Hub
  28. my tranny is starting to slip.
  29. rpm drop in 2nd gear
  30. Joined the Bad Tranny Club
  31. Source of stainless steel fittings?
  32. What are ls4 front drives classified as?
  33. GXP spare tire
  34. new avatar test
  35. flipped motor mount, how to.
  36. '09 Impala - rear squeaks going over speed bumps
  37. Steering Problem...
  38. GXP Nav
  39. IPod to GXP Nav unit
  40. *** FOR SALE *** U7191 DiabloSport Predator...
  41. Is the stock TB a limiting factor for a bolt-on car?
  42. GXP Front LH side Fender?
  43. rev limiter??
  44. Would this fuel rail fit a LS6 Intake?
  45. Please name these wheels ...
  46. Opinions WANTED! Dont you hate.....
  47. LS6 swap throttle body
  48. Impala SS vs Charger r/t
  49. Why'd you have to start shit Mel?
  50. Muffler Fit Question
  51. grand prix trunk mat
  52. Leaking power steering hose
  53. rear suspension?
  54. CAI Dyno Numbers?
  55. feeler, anyone want the stock navigation system?
  56. New Guy
  57. Thinking of buying a LS4
  58. Funny video
  59. hey mel need your help
  60. Another GXP Traded In for G8
  61. Impala Console Removal
  62. Another Mustang Kill
  63. quick answer about Don Romes stbs
  64. $150 a piece, take your pick
  65. World of Wheels
  66. Monsoon Stereo
  67. winter MPG
  68. GXP owners please step in
  69. D-I-Y shift kit observations
  70. 918 springs or dual springs valvetrain questions
  71. auxilary input for a gxp
  72. port & polish stock heads or aftermarket heads
  73. Modifying fuel rail, bending it
  74. Taller fuel injectors, higher rates?
  75. North America's LS4 Calendar pics
  76. FAST 92mm intake swap need help and info get ready to see it done
  77. North America's LS4 Calendars are in!!
  78. Transmission dead 41k miles
  79. SS Cop Cars?
  80. OPSU relocate But Where?
  81. Aftermarket Warranty
  82. Good S.E. Mich Transmission shops???
  83. Who else is bugged....
  84. E-brake problem
  85. Steering recall on 2006 Monte Carlo SS
  86. Would you buy a gxp with 100,000 miles?
  87. Those of you with rockers and rods
  88. New Wheel Bearings, And Bonus Stabilizer Bushings
  89. 2007 gxp
  90. Question
  91. Strange noise
  92. Oil pressure problem
  93. Estimated WHP increase w/ 3 mods - 09 SS
  94. GXP Aftermarket Rims
  95. What is our normal fuel pressure?
  96. Fuel rail Modification Whats it made of?
  97. Happy New Year!!!
  98. ADD OIL Light
  99. another transmission question
  100. stb issue
  101. 3rd Brake Light
  102. For those of you that have cutout on the gxp
  103. Dale Earnhardt Jr Killer wheels..... Anybody got em?????
  104. Badge Measurement
  105. How many G's Have You Pulled?
  106. Tran failure (nothing new) Possibly saying good bye though..
  107. catless dp
  108. Cai dimentions
  109. Borla exhaust?
  110. Exhaust cutout
  111. WTB fuel Rail
  112. LS6 or LS1 Manifold swap thoughts Questions
  113. Merry Christmas everyone!
  114. need a big favor
  115. Chrome plated grille
  116. Air Filter Question
  117. 2K6 Impala SS 6 Disc Changer Issue
  118. Which ls4 to get?
  119. quick question for the guys with HP tuners.
  120. What i did today
  121. LS4 Calendar on Sale Now
  122. 2000-2005 Monte Carlo headlights and tails for sale
  123. GXP Exhaust or Mufflers??
  124. Paypal Scam
  125. LS4 guys help with W-body.
  126. Anyone want the dyno results from my intake swap?
  127. rim and tire bargin
  128. New driveby...Hogan DP + Cutout
  129. lowering
  130. Hows it going... Newbie
  131. Recall for GXP
  132. got another Impala SS
  133. Help! 2005 GTP Monsoon speaker popping noise!
  134. North America's LS4 2010 Calendar
  135. Evil Mr. Winter came to NOVA/DC/MD/VA area, Poor Gxp has been abandoned...
  136. I would like to apologize for the other thread. (Paint opinions, not like the other)
  137. 05 GXP with heater control issues
  138. Let the hate and flames flow, pics of my car.
  139. Interested in TB spacer or adapter
  140. Looking at getting a gxp?
  141. Gauge Pods
  142. Got my Cutout! Brand,Placement, Sound, Vids, Pictures, Mods ect.
  143. LS6 throttle body
  144. Yearly reminder of the 'mistatements' from Diablosport
  145. Little slip in my tranny @ 54,445 miles
  146. tire size
  147. craigslist find
  148. World of Wheels
  149. couple problems with the gxp
  150. Every error you can think of just popped up....
  151. WTB Monte Carlo Foglight Trim
  152. Used W-Bodies
  153. the delcos dead
  154. Possible Transmission Failure in the works (again)
  155. its that time again
  156. Normal/Average Engine Coolant Temp...
  157. 05 gxp cai??
  158. Do Mustang Wheels fit? (sorry)
  159. 2007 Impala ls modding
  160. HID ballast mounting?
  161. Need Muffler Help!
  162. pretty impressed!!
  163. Dyno Chart DISCUSSION thread
  164. Dyno Charts Go Here
  165. Any Dyno mumbers with a Cam?
  166. Spare Tire for '08 GXP ??
  167. 2010 Calendar
  168. LS4 cam specs
  169. I miss the GXP, mostly, the TURBO :(
  170. tranny :(
  171. New Tires for me 2
  172. TPMS and 2008 GXP question
  173. Help me sort out whats true
  174. Should Diff Score Be this intrusive?
  175. Rear Defogger ?
  176. Need some help deciding on a Hand-held tuner
  177. For those worried about voiding your warranty when modding READ!
  178. For those who have done the intake swap already
  179. issues with stage 2 intake so i am putting an ls6 intake and headers on
  180. Cutout questions
  181. car bogging
  182. Question for you guys???
  183. Any way to make a ram air intake?
  184. Most Fun in a FWD
  185. Shocks and springs?!?!
  186. Tire Size Dilemma
  187. 5300 LS4 into a Grand Prix GT
  188. Cardi Gras benefit for Cystic Fibrosis
  189. for those of you who store you MCSS: car cover
  190. Look What I've Found
  191. Finally got some good 1/4 mile times w/VIDS
  192. crankshaft dimensions
  193. Am I The First Here?...
  194. Will 265 or 275 tires fit on stock rims?
  195. Successful LS6 Intake Manifold Swap, DOD Retained
  196. Escort Qi45 Finally Available
  197. Happy Thanksgiving
  198. My New Snow Boots
  199. GXP got crunched
  200. Odd Hesitation
  201. traded in the SS for a Hybrid Prius
  202. Nitrous Users
  203. 07 GXP alignment problem
  204. New Winter tires.
  205. Confirm my bad news... Tranny Problem
  206. supercharger question/suggestion
  207. Intake Installation Question
  208. Transmission Labor Costs
  209. Subs
  210. GXP Front Brakes Keep Warping
  211. problem with low beams
  212. Looking for pictures of stock manifolds
  213. What's my Impala SS worth?
  214. LED Lighting Strips - 2006 Impala SS (56k death)
  215. TPMS question
  216. intake issue
  217. Cheapest place to get magnaflow catback
  218. Results from cam, intake port, heads etc
  219. Another Exhaust Question
  220. had a run in with an IS-F today
  221. 245 45 18 Montepala Owners
  222. Looking for transmission build info
  223. cam question, how big is too big.....
  224. Quick paint, would like opinions
  225. The SS is dead
  226. Crane Cams 1.8 Rockers
  227. GXP fuel mileage ??
  228. GXP fuel mileage ??
  229. Thorley Header Project Update
  230. wideband tune vs dyno tune
  231. Manifold swap kit - coming soon!
  232. G8 DOD Hight Lift Cam
  233. Concerned About Performance
  234. 1998 BMW M3 vs Monte Carlo LS4
  235. Did this turbo Monte belong to anyone here?
  236. How I painted my rear bow tie black.
  237. "retard alert retard alert"
  238. Ft Myers, Gainesville S. Florida (Davie) Formato Tuning and Porting
  239. Made it to the track, bone stock numbers:
  240. Any underdrive pulleys available for LS4?
  241. New Owner, Couple Questions
  242. Those of you with a Hogan catless DP please read
  243. Dash Question
  244. Any of you guys make this switch?
  245. 275/40/17 fit???
  246. New Tires!
  247. Upgraded fuel pump?
  248. Will 97-03 rims fit an 06 GXP?
  249. Finally went to the track
  250. CofM voting thread