View Full Version : LS4 Performance


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  1. GXP times
  2. Vibration Damper/Harmonic Balancer
  3. GXP Help 05 v8
  4. Check Engine Light
  5. Best Brake Pads for Grand Prix GXP
  6. HIDs
  7. K&N Intake burning hood liner?
  8. SOB Car show: Sheriff office Benifit
  9. Colors for hood stripes
  10. Enjoy
  11. Went to the Track today...
  12. I guess I'll start this one, too. Calendar attempt No. 2
  13. Had a run against a last gen firechicken
  14. 18X8's vs 18X7's
  15. Car of the Month Submission Thread October Ed.
  16. Monte Carlo SS of the month
  17. For those of you who have blown transmissions
  18. FS: K&N Intake 63-3059 06-09 Impala SS
  19. Upper Motor Mounts...Which is best??
  20. custom steering wheel emblem
  21. strange exhaust sound
  22. What Shift Kit for GXP?
  23. For those who think our intake is restricted
  24. Gone
  25. Torque Converter Problems
  26. In the market for new mufflers
  27. Wider rear tires for GXP...for the look
  28. For you Cali guys: new HOV lane sticker
  29. V8 Fiero with an LS4
  30. gxp led tailights question...
  31. F/S hogan catless DP
  32. Ragin Racin is South Louisiana Lafayette, LA
  33. How Wide Can I Go?
  34. Help!!
  35. Lighting questions
  36. How much does a tranny cost?
  37. GXP Fog Light Help
  38. Changine the Radio
  39. Headers....but need 30 people.
  40. opinions on race seats
  41. Launching...
  42. HIDs for aftermarket halo headlights
  43. Electric Cut out
  44. A Couple Tire Questions
  45. muffler thoughts
  46. so what the word on the new SHO boys?
  47. Huge Car Cover Sale....
  48. Did a little work
  49. 06 impala ss
  50. 9006 to D1S bulb adapters?
  51. video of Dynomax Ultra-flo's/no resonator
  52. 08 GXP anyone?
  53. anybody see these headers
  54. traded GXP for modded 95 civic.
  55. So batteries do explode after all lol
  56. ChromeIntakes on Ebay.
  57. Been a while parts that will be going...
  58. Rebuild Questions
  59. GXP Tapshift
  60. Negative Camber ad Winter Tires
  61. Electrical Problems
  62. HPTuners
  63. need you guys help.
  64. FS: K&N Intake and 2006 LS4 ECM/TCM
  65. Axle Repair
  66. Anyone buy from brakeperformance.com...and have some mileage on the products?
  67. will straight pipes throw engine light
  68. Custom engine covers
  69. Brakes
  70. Drive belt replacement] "Maybe Stickey"
  71. Modified GXPs Air-Box
  72. STB's for sale
  73. Got it narrowed down
  74. LS4 headers
  75. Pics from a car meet last night (lots of them)
  76. New LS4 Owner! I Got Questions...
  77. Hogan DP and Tuner
  78. genesis coupe
  79. (Experts only, ahem Mixerda) About to order cam and heads
  80. Serpentine belt replacement
  81. ???
  82. Awd!!!
  83. black bowtie
  84. black bowtie
  85. Used tires P235/50/R18 for sale
  86. traction control issues..
  87. New personal best at the 1/4, finally 13s! *UPDATE 11/7*
  88. battery dead but why???
  89. Red Lining
  90. Pretty cool, take a look
  91. good hid kit for gxp?
  92. Magnaflow Resonator
  93. 06 ss exhaust clip
  94. 2008 LS4 Dyno Tune Results
  95. Hyperactive DOD and lazy OD
  96. New PB!
  97. slicks
  98. 2004 Grand Prix DTC P0741
  99. How Often Does This Happen To You?
  100. Track on Cold Days
  101. Cause of battery failure???
  102. Ok, Can someone explain this to me?
  103. MSP Poly Motor Mounts
  104. New tire ?
  105. Oil leak under boost
  106. Today Was Not A Good Day
  107. Need a favor of a VIN check.
  108. Door locks.service traction any ideas..
  109. Monte SS Rear Spoiler/Front Clip on Imp SS
  110. 1998 Pontiac Grand Prix GTP Supercharged
  111. Downpipe F/S
  112. Think i messed up the computer?
  113. Exhaust Tips
  114. Which was more of a Muscle car 85 or 06-07
  115. HP Tuners LTFT
  116. Edelbrock Pro Flo Intake
  117. PCV Valve?
  118. Parts for sale
  119. Strange clackety noise...
  120. Would These Work On My Car?
  121. any one have lifter tick and oil consumption problems
  122. time to cam?
  123. Sudden overheat issue
  124. Thanks everyone for your knowledge
  125. Wood Grain Dash
  126. cammed gxp now has an LS2 intake!
  127. starting problems
  128. Stock GXP Exhaust
  129. plug wire advice
  130. Monte Turned 90 ...
  131. dead battery?
  132. WTB MAF Screen
  133. Interchangable parts
  134. Track Time Again and In Need of Input!
  135. Slapped on an LS4 emblem!
  136. Goodyear Eagles F1 put on today
  137. Hot air intake
  138. 2008 gxp
  139. 235/55/17 Dunlop Wintersport M3's for sale in Toronto, ON
  140. Exhaust concerns
  141. Just bought a 05 GP GXP, why no mods?
  142. new member
  143. Looking for 13's
  144. traction issues lol
  145. Member from Dallas needs info
  146. Motor Mount
  147. Question regarding Comp G 17s on 2008 GXP
  148. Its breathing!!!
  149. My First Car Show With The GXP **Heavy Pics**
  150. Goodyear Assurance TripleTred
  151. Onstar back up battery?
  152. Water Pump - How hard to DIY?
  153. Need seat advice
  154. Finally got her cleaned up!!
  155. 09 Impala SS ?
  156. factory oil pressure sensor location?
  157. GI: ECM/TCM from a 2006 Impala SS
  158. TCM trouble in LS4 with K&N air intake?
  159. Give me some advice
  160. Factory Service Manual
  161. Bad gas mileage in my '06 GXP... HELP!
  162. first time at the track
  163. 2 questions on my 08 GXP
  164. handling...
  165. Catless with cutout?
  166. Opinions on custom GXP grills
  167. would this work for our cars??
  168. K&N Drop In ??
  169. Check oil/low oil light issue
  170. Exhaust Sound
  171. Proud new member! '05 GXP
  172. Moving Cutout Placement???
  173. High Temp Adhesive
  174. Who else worked
  175. Very wierd engine problem :( LONG READ
  176. Replacing battery cable terminals...
  177. Down on total power...any thoughts?
  178. Some Kill videos for you guys
  179. Not sure what caused this...
  180. LS4 intake A-B comaprison from unported to ported and tuned
  181. Brake Help
  182. Who is currently cammed???
  183. edelbrock coil covers
  184. ???
  185. Track tonight
  186. cutout Q's??
  187. ZZP STB Question
  188. Stock muffler dimensions
  189. 409 Taylor Wires
  190. LS2 Valley Cover - DOD delete
  191. Intake Options
  192. New Home Made 1.5" TB Spacer
  193. ABS, traction control and stability control warning
  194. Another Delco dies...
  195. Proud New Impala SS owner
  196. GM Newbie here.
  197. Superchips Cortex 1/4 mile accuracy
  198. Pushrods: 5/16ths or 3/8ths?
  199. For the GXP owners...
  200. How many LS4's do we have from Springfield, MO?
  201. Aftermarket Hoods for the 06+ Imp
  202. Well, my trannie died (blah blah blah) 87k
  203. Selling my car
  204. A Couple More Things I Need Cleared Up
  205. Calling rental owners
  206. EVAP major leak
  207. Anyone need a pair of stock rear springs?
  208. Rockin' the SHO!(first kill)
  209. gas smell near rear tire passenger tire / check engine light
  210. Photoshop anyone?
  211. Mustang kill in Mexico
  212. MUURRDAHH! kinda..
  213. LS4 airbox
  214. plug advice sprayed
  215. What Stock hoods fit my GXP?
  216. 1st Tranny down
  217. Got her last night
  218. Charging system failure please help
  219. Feeler: K&N intake FS -less than 2,000 miles
  220. GM Part number for 9C1 wheels?
  221. Bolt pattern
  222. STS Turbo
  223. What do you guys think
  224. Some pics for ya
  225. Outer Diameter or our MAF's
  226. Pics and some thoughts
  227. Just installed the $215 eBay Drilled-Slotted Brakes
  228. Whats it worth? Car lot pricing-what to offer??
  229. Help me out ls4 guys!!!
  230. Lowered the Monte! need a fender roller tool!
  231. Looking For Used Parts
  232. What size throttle body bolts?
  233. New Exhaust Note
  234. Got my SHorter Dogbone, One Question
  235. LS4 belt tension
  236. CAM trigger wheel cam sensor?
  237. Anyone want my catless DP? Cheap.
  238. Crankhaft Pulley wobble...Crankshaft balancer replacement
  239. ran my friends 06 EVO MR
  240. Anyone getting rid of decent 18" tires?
  241. Removing Cowl Weather striping
  242. What would cause noisy lifters when cold?
  243. what should i make with the lazer cutter
  244. weird issue.
  245. Sway Bars
  246. Ran a Mach 1
  247. Tuning Issue attn:HP Tuners
  248. Best place to buy SSC Springs?
  249. Pontiac Nationals **Heavy Pics**
  250. Radar Detector and Stuff