View Full Version : LS4 Performance


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  1. another transmission question
  2. stb issue
  3. 3rd Brake Light
  4. For those of you that have cutout on the gxp
  5. Dale Earnhardt Jr Killer wheels..... Anybody got em?????
  6. Badge Measurement
  7. How many G's Have You Pulled?
  8. Tran failure (nothing new) Possibly saying good bye though..
  9. catless dp
  10. Cai dimentions
  11. Borla exhaust?
  12. Exhaust cutout
  13. WTB fuel Rail
  14. LS6 or LS1 Manifold swap thoughts Questions
  15. Merry Christmas everyone!
  16. need a big favor
  17. Chrome plated grille
  18. Air Filter Question
  19. 2K6 Impala SS 6 Disc Changer Issue
  20. Which ls4 to get?
  21. quick question for the guys with HP tuners.
  22. What i did today
  23. LS4 Calendar on Sale Now
  24. 2000-2005 Monte Carlo headlights and tails for sale
  25. GXP Exhaust or Mufflers??
  26. Paypal Scam
  27. LS4 guys help with W-body.
  28. Anyone want the dyno results from my intake swap?
  29. rim and tire bargin
  30. New driveby...Hogan DP + Cutout
  31. lowering
  32. Hows it going... Newbie
  33. Recall for GXP
  34. got another Impala SS
  35. Help! 2005 GTP Monsoon speaker popping noise!
  36. North America's LS4 2010 Calendar
  37. Evil Mr. Winter came to NOVA/DC/MD/VA area, Poor Gxp has been abandoned...
  38. I would like to apologize for the other thread. (Paint opinions, not like the other)
  39. 05 GXP with heater control issues
  40. Let the hate and flames flow, pics of my car.
  41. Interested in TB spacer or adapter
  42. Looking at getting a gxp?
  43. Gauge Pods
  44. Got my Cutout! Brand,Placement, Sound, Vids, Pictures, Mods ect.
  45. LS6 throttle body
  46. Yearly reminder of the 'mistatements' from Diablosport
  47. Little slip in my tranny @ 54,445 miles
  48. tire size
  49. craigslist find
  50. World of Wheels
  51. couple problems with the gxp
  52. Every error you can think of just popped up....
  53. WTB Monte Carlo Foglight Trim
  54. Used W-Bodies
  55. the delcos dead
  56. Possible Transmission Failure in the works (again)
  57. its that time again
  58. Normal/Average Engine Coolant Temp...
  59. 05 gxp cai??
  60. Do Mustang Wheels fit? (sorry)
  61. 2007 Impala ls modding
  62. HID ballast mounting?
  63. Need Muffler Help!
  64. pretty impressed!!
  65. Dyno Chart DISCUSSION thread
  66. Dyno Charts Go Here
  67. Any Dyno mumbers with a Cam?
  68. Spare Tire for '08 GXP ??
  69. 2010 Calendar
  70. LS4 cam specs
  71. I miss the GXP, mostly, the TURBO :(
  72. tranny :(
  73. New Tires for me 2
  74. TPMS and 2008 GXP question
  75. Help me sort out whats true
  76. Should Diff Score Be this intrusive?
  77. Rear Defogger ?
  78. Need some help deciding on a Hand-held tuner
  79. For those worried about voiding your warranty when modding READ!
  80. For those who have done the intake swap already
  81. issues with stage 2 intake so i am putting an ls6 intake and headers on
  82. Cutout questions
  83. car bogging
  84. Question for you guys???
  85. Any way to make a ram air intake?
  86. Most Fun in a FWD
  87. Shocks and springs?!?!
  88. Tire Size Dilemma
  89. 5300 LS4 into a Grand Prix GT
  90. Cardi Gras benefit for Cystic Fibrosis
  91. for those of you who store you MCSS: car cover
  92. Look What I've Found
  93. Finally got some good 1/4 mile times w/VIDS
  94. crankshaft dimensions
  95. Am I The First Here?...
  96. Will 265 or 275 tires fit on stock rims?
  97. Successful LS6 Intake Manifold Swap, DOD Retained
  98. Escort Qi45 Finally Available
  99. Happy Thanksgiving
  100. My New Snow Boots
  101. GXP got crunched
  102. Odd Hesitation
  103. traded in the SS for a Hybrid Prius
  104. Nitrous Users
  105. 07 GXP alignment problem
  106. New Winter tires.
  107. Confirm my bad news... Tranny Problem
  108. supercharger question/suggestion
  109. Intake Installation Question
  110. Transmission Labor Costs
  111. Subs
  112. GXP Front Brakes Keep Warping
  113. problem with low beams
  114. Looking for pictures of stock manifolds
  115. What's my Impala SS worth?
  116. LED Lighting Strips - 2006 Impala SS (56k death)
  117. TPMS question
  118. intake issue
  119. Cheapest place to get magnaflow catback
  120. Results from cam, intake port, heads etc
  121. Another Exhaust Question
  122. had a run in with an IS-F today
  123. 245 45 18 Montepala Owners
  124. Looking for transmission build info
  125. cam question, how big is too big.....
  126. Quick paint, would like opinions
  127. The SS is dead
  128. Crane Cams 1.8 Rockers
  129. GXP fuel mileage ??
  130. GXP fuel mileage ??
  131. Thorley Header Project Update
  132. wideband tune vs dyno tune
  133. Manifold swap kit - coming soon!
  134. G8 DOD Hight Lift Cam
  135. Concerned About Performance
  136. 1998 BMW M3 vs Monte Carlo LS4
  137. Did this turbo Monte belong to anyone here?
  138. How I painted my rear bow tie black.
  139. "retard alert retard alert"
  140. Ft Myers, Gainesville S. Florida (Davie) Formato Tuning and Porting
  141. Made it to the track, bone stock numbers:
  142. Any underdrive pulleys available for LS4?
  143. New Owner, Couple Questions
  144. Those of you with a Hogan catless DP please read
  145. Dash Question
  146. Any of you guys make this switch?
  147. 275/40/17 fit???
  148. New Tires!
  149. Upgraded fuel pump?
  150. Will 97-03 rims fit an 06 GXP?
  151. Finally went to the track
  152. CofM voting thread
  153. Amp Service Bulletin
  154. a few favors from you ls4 guys
  155. Replaced the F1's - Finally Can Hear Again!
  156. My GXP in its "Play Shoes"
  157. valvetrain upgrades.
  158. HIDs
  159. LS6 Manifold Idea
  160. New GXP Owner 2005 Mystic Teal
  161. Ported Intake and TB
  162. Look at the shine I have on my 14 year old GP
  163. Look what we saw on the way home
  164. Custom License plate...
  165. Planning on joining the ranks of supercat and others
  166. Dyno numbers, sound about right??
  167. Would this work?
  168. I-shaft
  169. smoked head/tailights
  170. Picked up a 2005 GXP
  171. looking at ls4's
  172. Tap shift tranny?
  173. HP tuner advice?
  174. Spring swap?
  175. Trip to Bowling Green, KY
  176. A few fall picture shots.
  177. Push Bar
  178. ebay brakes!!!!!
  179. Any gxp or ls4 guys in the Northern VA area?
  180. Me vs. SBC RX-7 (video evidence)
  181. GXP times
  182. Vibration Damper/Harmonic Balancer
  183. GXP Help 05 v8
  184. Check Engine Light
  185. Best Brake Pads for Grand Prix GXP
  186. HIDs
  187. K&N Intake burning hood liner?
  188. SOB Car show: Sheriff office Benifit
  189. Colors for hood stripes
  190. Enjoy
  191. Went to the Track today...
  192. I guess I'll start this one, too. Calendar attempt No. 2
  193. Had a run against a last gen firechicken
  194. 18X8's vs 18X7's
  195. Car of the Month Submission Thread October Ed.
  196. Monte Carlo SS of the month
  197. For those of you who have blown transmissions
  198. FS: K&N Intake 63-3059 06-09 Impala SS
  199. Upper Motor Mounts...Which is best??
  200. custom steering wheel emblem
  201. strange exhaust sound
  202. What Shift Kit for GXP?
  203. For those who think our intake is restricted
  204. Gone
  205. Torque Converter Problems
  206. In the market for new mufflers
  207. Wider rear tires for GXP...for the look
  208. For you Cali guys: new HOV lane sticker
  209. V8 Fiero with an LS4
  210. gxp led tailights question...
  211. F/S hogan catless DP
  212. Ragin Racin is South Louisiana Lafayette, LA
  213. How Wide Can I Go?
  214. Help!!
  215. Lighting questions
  216. How much does a tranny cost?
  217. GXP Fog Light Help
  218. Changine the Radio
  219. Headers....but need 30 people.
  220. opinions on race seats
  221. Launching...
  222. HIDs for aftermarket halo headlights
  223. Electric Cut out
  224. A Couple Tire Questions
  225. muffler thoughts
  226. so what the word on the new SHO boys?
  227. Huge Car Cover Sale....
  228. Did a little work
  229. 06 impala ss
  230. 9006 to D1S bulb adapters?
  231. video of Dynomax Ultra-flo's/no resonator
  232. 08 GXP anyone?
  233. anybody see these headers
  234. traded GXP for modded 95 civic.
  235. So batteries do explode after all lol
  236. ChromeIntakes on Ebay.
  237. Been a while parts that will be going...
  238. Rebuild Questions
  239. GXP Tapshift
  240. Negative Camber ad Winter Tires
  241. Electrical Problems
  242. HPTuners
  243. need you guys help.
  244. FS: K&N Intake and 2006 LS4 ECM/TCM
  245. Axle Repair
  246. Anyone buy from brakeperformance.com...and have some mileage on the products?
  247. will straight pipes throw engine light
  248. Custom engine covers
  249. Brakes
  250. Drive belt replacement] "Maybe Stickey"