View Full Version : LS4 Performance


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  1. LS4 throttle body
  2. HID Issues!!
  3. P0843 P0700 trans codes
  4. Flowmaster 10 series....
  5. Relocate ECM and TCM?
  6. trans / tire questions
  7. I now have a Batman smoke screen or I'm using a shit-ton of oil
  8. Getting ready for spring.
  9. Rear exhaust manifold idea. Work with me here.. guys.
  10. DiabloSport Predator/Trinity Custom Tuning Available!
  11. cai help please
  12. diablosport trinity???
  13. WOT 1st to 2nd Tranny "Squeak"
  14. cylinder1 misfire. fuel economy (gxp)
  15. Underdrive Pulley?
  16. 275/40 rear tires
  17. Slinging Grease
  18. Question???????
  19. Cartuning Kit Question
  20. GP GXP Braking Issue
  21. crossover pipe wrap
  22. My Fuel Mileage Statistics
  23. Went to the track
  24. Another intake option?
  25. Resistor in key?
  26. February LS4 of the month vote poll
  27. tap shift change up
  28. Anyone tint windows near Lima, Ohio?
  29. converting a non-tap to tap-shift?
  30. Equivalence A/F ratio vs. O2 mv reading
  31. GXP Stock exhaust tip size
  32. GP GXP fog light bulb burnt out
  33. Near-future plans for my car
  34. STS Turbo Kit
  35. Drag Radials/Slicks
  36. lauching??
  37. Check this car out for sale......
  38. Few questions/concerns with the GXP
  39. Projector headlights
  40. Service stability/traction systems!!
  41. transmission
  42. Thought you guys might enjoy
  43. Pic request. Somebody snap a pic of the rear exhaust manifold outlet form.
  44. uh oh...3 days into the honeymoon....tranny slippage?
  45. For those who think a small cam is not the way to go. Look!
  46. MCSS - No Audio Out of Amped Radio
  47. ss emblem on grille
  48. need some hp tuner help
  49. The W-Body FINALLY gets the 6-speed auto from the factory for 2012!
  50. Brakes?
  51. Throttle Bodies...
  52. new GXP owner here....
  53. Diablosport Predator on Flebay
  54. Flipped motor mount
  55. Flip's taillights
  56. auto dim/temp/compass install
  57. Gauge Needles
  58. Warranty Work
  59. gxp rear deck 6x9 aftermarket install
  60. Opinions Needed
  61. Sort of on topic
  62. Debating on future of GXP
  63. is there a reason...
  64. Great deal on Optima Batteries
  65. Is it the battery?
  66. exhaust question
  67. got stuck in snow now cars acting wierd
  68. 7191 predator, with cables, $175 shipped...
  69. 07 GXP Bought last week dead battery
  70. Weight difference between Alcoas and knockoffs?
  71. Shimmy????
  72. Shift Kit
  73. February LS4 of the month
  74. Free fix for whining idler pulley
  75. GXP cam swap question
  76. P-0420
  77. Who's still here? Everyones Leaving :(
  78. Might be departing with the Impala
  79. Thinking about getting a Trailblazer SS
  80. Help...Buzzing noise when wheels spin
  81. gxp badges
  82. Again???
  83. 4t65e drive chain
  84. Traded in the SS
  85. Check out what a local shop is doing around KC....
  86. impala rental
  87. water pump question
  88. Tuning for '07s???
  89. i finally dumped the gxp
  90. NOLA World of Wheels
  91. Hud
  92. Wrecked the car today
  93. Back from the dead thread. LS6 cam. respect this guy, guys!
  94. Need Some Input
  95. water pump head gasket radiator take your pick
  96. repainted the lettering on my engine cover (mini "how to")
  97. Anyone close to JC MO with a tuner
  98. Simple way to disable DoD?
  99. Where is the Engine Block Heater?
  100. 07 Impala SS 4th gear bump
  101. Official post your HIDs thread
  102. 1 Year Free XM:D
  103. Where is Larry???
  104. Transmission question
  105. 87 Octane Tune: Mission Accomplished!
  106. Catless Downpipe + DiabLew Tune = More Power & Better Mileage!
  107. another tranny thread, but i swear its somewhat original
  108. Magnaflow catback without resonator?
  109. It's so damn cold...
  110. The first LS4 of the month Winner
  111. Tighter converter ?
  112. Last minutes to vote
  113. Anybody run 275/40s other than Falkens?
  114. jp and i ran again today
  115. New track times for the SS with vids
  116. Moving on. . . .
  117. Chrome trim removal??
  118. Lew's DiabLew Tune: STILL the Shit!
  119. west coast specialization on the 4t65hd
  120. Tap shift conversion
  121. GTP transmission the same?
  122. factory air filter part#
  123. 06 impala SS - mod help
  124. Anyone repaint their stock calipers on a GXP with a different color???
  125. Blew up dash speaker
  126. My First Car
  127. Tire Pressure Monitors
  128. Got My black DEPO Headlights In...Pics Inside!
  129. Impala compass location
  130. GXP Owners! What is you EQ Set at?
  131. LS4 voting
  132. Dyno Results LS6 intake etc
  133. 6T75 6 speed conversion
  134. intake spacer
  135. LS1 intake installed engine runs but.. Tuning?
  136. Squeaky steering wheel driving me nuts lol, ISS?
  137. Steering Wheel SS Emblem
  138. So, about that N/A build...
  139. Finally got my Impala back with TEP transmission upgrades!
  140. My Addition To My Trunk
  141. dod disable without tuning. temp fix question
  142. Custom Trunk
  143. Got my windows tinted yesterday....
  144. beat the smog checks?
  145. Tuning.
  146. Engine bay cleaning question
  147. Reset tpms
  148. Started wiring up my first amp...
  149. new ss emblem
  150. LS4 of the Month January Vote
  151. 4th dead battery in 4 years... WTF???
  152. g8 wheels on an impala ss
  153. Snow Slide Crash
  154. converter
  155. Free EPDM Serpentine Belt Wear Gauge
  156. exhaust
  157. GP GXP Brakes
  158. gm performance ls6 hot cam
  159. GM Heritage
  160. P0420 Code
  161. SuperCharging??
  162. LS4 Harmonic Balancer
  163. Power Steering problem
  164. DOD When Motor is Cold
  165. GXP vs. Snow
  166. Remote Start Question
  167. anyone here from CT or MA area
  168. Filter question
  169. Opinions Please - GXP Door Sill Plates
  170. MCSS Amp Wiring
  171. GXP Problems...:/
  172. oil catch cans
  173. P0521
  174. Couple of vids from my run at the track last night
  175. so i was browsing ebay and...
  176. Engine is apart, houston we have a problem
  177. There it goes!!!
  178. Inferno Hood
  179. Yet Another GXP Tire Question(s)
  180. Call GM and the NHTSA to Get Action on our Transmission Problems: Details Inside!
  181. Installed TV in GXP now dash hums?
  182. re: Heated Seat failure
  183. Trans Fluid change?
  184. keeping steering wheel controls w/ aftermarket radio
  185. SIMPLE: Can I put a cam in with DOD lifters and just turn DOD off and be fine?
  186. bulbs for tinted tails
  187. DiabloSport Trinity T-1000 Tuner / Dashboard Monitor??
  188. Have a question for you all?
  189. Rocker Panel needed...Where can I get one?
  190. 2006 GXP naturally aspirated build
  191. CAM and DOD
  192. Rim options
  193. Inquired GM Regarding Transmission
  194. HELP, smog reff says I need a stock air filter box?
  195. Tire size
  196. Transmission Magnet thread
  197. 04 gxp
  198. Looking for winter wheels (GXP)
  199. I'm on a 1320 Video!
  200. Speakers Rattling Door Panels
  201. Im baaaack!
  202. Electric Cutout where to place it?
  203. 1.8 roller rockers
  204. Valve Spring Seat Pressure...Someone Clarify Plz
  205. Headrest monitors...Anyone have them???
  206. LS4 Transmission Problem Thread (4T65-HD); Current Total Inside
  207. g8 officially coming back as a chevy
  208. Trans Questions.
  209. lucky mee.. check this out..
  210. A newbie has joined your ranks
  211. Need help wiring speakers
  212. Difference in engines
  213. sell stock alcoas?
  214. 06 monte carlo firewall location
  215. I hate cops
  216. Weird sound on my gxp wen i turn into my driveway
  217. Center Consol
  218. Possibly making the Jump
  219. Happy New Year!!!
  220. Fwi lean code
  221. You know you wannnnnnnnnnnnt it.
  222. Your Interior Combo
  223. Intake question
  224. maf ?s
  225. New Member From Buffalo
  226. any one have an oil leak?
  227. New To You
  228. kinda off topic but can someone help out the confusion.
  229. LS4 confusion
  230. You guys know what happend to ..
  231. Problem with 06 GXP
  232. having 2 problems with my gxp:(
  233. Tire question
  234. DMH Cutout FTW!!!!!
  235. magnaflow ?'s
  236. No go.....suggestions as to where to start
  237. Do you guys have a spare tire?
  238. Rear Trailing Arms? BMR or UMI ?
  239. Got Raped
  240. Raced my bro's stang
  241. Happy Birthday Smokin06impala SS
  242. kinda random brake question.
  243. Juss spun out.
  244. 10-20 Inches of Snow
  245. O/T: I call to motion that '10+ Camaros are the new Mustangs.
  246. Do not use!!!!!!
  247. JP got a TBSS too?
  248. Spray vs. Da Boost
  249. She's back
  250. Remote start replace with aftermarket ?