View Full Version : LS4 Performance


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  1. Damn delco Battery
  2. Selling my GXP...
  3. Time to replace the ISS.
  4. HP Tuners/Warranty Questions
  5. Wheel Options???
  6. Racing seats
  7. where is the pcm located
  8. pissed off grand prix owner.. help?
  9. Look at this
  10. Rear defroster timer?
  11. Question about Projector Halo Headlights?!
  12. Loud rattle at startup...
  13. Thanx for the advice
  14. Mike in here
  15. Whats your best dyno #s?
  16. hogan down pipe catless $$
  17. Anyone have a Diablosport for sale?
  18. G8 GTX 638 HP LSX??? Check this out...
  19. New GXP
  20. new gauges monte carlo impala ss
  21. Intake Manifolds
  22. Lost 4cyl mode w tune
  23. Car wont start while at the dealer...
  24. brought it in for service today
  25. Painting cailipers
  26. so how much in debt are you guys with your cars?
  27. Help my wife w/her Marketing class....survey
  28. ss overlays
  29. Vote
  30. Pavlock Perf--Dealer for Magnaflow, Corsa, K&N, Diablo, and more!!
  31. Front end problems!
  32. Don Rome STBs?
  33. First time at the track
  34. Better quality vid of Classic Chambered muffler
  35. zzp motor mount
  36. Sell my GXP?
  37. more questions..yes I am full of them.(suspension this time)
  38. hello new GXP owner here with a few questions
  39. Meet two W-body owners
  40. thrusher exhaust
  41. Honestly. . . .
  42. need some expert advice
  43. Vid of 130 MPH run, sound of Classic Chambered muffler in tunnel
  44. Any tire pressure monitor mods for winter wheels?
  45. Taking out the battery?
  46. Flip Tails Installed!!
  47. Intake Feeler
  48. Call me a n0oB if you want...... But.
  49. Help No power!!
  50. Sound like a good deal???
  51. Question concerning Our K&N Intakes!!
  52. Interesting...
  53. drag racing 07 impala ss?
  54. Pics from the track day
  55. reliabilty
  56. Making a list for the monte...
  57. Crankshaft Position Sensor + Service Parking Light Errors?
  58. Impala SS
  59. SSC's are on the Monte!
  60. spoiler
  61. Wheel spacer
  62. New GXP owner
  63. stock spring load
  64. Today at Work...
  65. Tearing Apart Seat Belt / B-Pillar
  66. Cleaning Throttle body this weeekend
  67. Clicking noise
  68. P2119 amd P2176
  69. Sig Pics
  70. Car calendar
  71. getting dyno tuned questions.
  72. Anyone else have these issues on Impala?
  73. 2005 GXP tranny big the big one
  74. Remote Start
  75. F'in airbag light, AGAIN!
  76. zzp turbo kit
  77. ZZP shift kit
  78. weird oil smell???
  79. My custom flowmaster exhaust
  80. flowmaster or magnaflow
  81. Flywheel cover fastener missing
  82. Strut Bars easily available now!
  83. Anyone need a Stock set of GXP springs...
  84. valvetrain noise
  85. Cruise Control Question
  86. Oct. 12, 2008 Car Show
  87. Tbs??
  88. T-stat install
  89. K&N, T-stat, Hogan down pipe, LS4 heat soak reduction
  90. tranny upgrade
  91. Big fan! Lets see ur LS4
  92. really thinking about going all out on the GXP!!!
  93. amp wiring
  94. Average MPG
  95. Rally Gauges?
  96. Thermostat question??
  97. Hogan Performance Exhaust
  98. Which Cold Air Intake Is Best??
  99. GXP Cupholder & Rear Seat DVD
  100. Flowmaster part#
  101. 1996 Impala SS
  102. Woodward
  103. Anyone want a set of Eibach springs?
  104. Amp install - what to use for remote turn on?
  105. trap time changes
  106. CAI "popping"
  107. GXP amp
  108. Closed dealership.
  109. K&N intake For Sale
  110. Interesting article in the local paper
  111. northeast PA meet and picnic
  112. Exhaust Vid, pics, Eibachs to SSC
  113. Pedals
  114. How to wire up the halos?
  115. Remote Start Time Prolong
  116. New tires
  117. Exhaust pins
  118. Pauls325?
  119. super or turbo
  120. CAI for 08 impala ss
  121. (Wackjob)Ideas to get freer flowing exhaust manifolds
  122. Disable Stabilitrak and TCS in GXP
  123. Fender Well Intake?
  124. Most recommended mods/upgrades to a GP GXP?
  125. cam
  126. Nav for a 06 Monte Carlo SS?
  127. Cai?
  128. Free Mods?
  129. gxp vs m5
  130. race this rsx?
  131. Fitch fuel catalyst?
  132. Left over Parts
  133. Popping front end
  134. can gxp grand prix wheels be put on a regular prix?
  135. Anyone want 1.8 rockers?
  136. Watch your wheels guys!
  137. Lingenfelter Ls4 Prototypes
  138. 08 impala ss
  139. ported head?
  140. Powered subwoofer power cable
  141. pics of my cars and the gf's car
  142. Looking at purchasing a 06 GXP, give me some info
  143. SEMA asks for your opinions
  144. Subwoofer power lead thru firewall
  145. anyone in SE Mass got HP tuners?
  146. gxp rim/tire
  147. Louvers on side of front fenders
  148. Fuse box open areas
  149. Sanity check before ordering STB
  150. Falling Economy, do's anyone really care?
  151. Help - door locks won't work?
  152. LSX/4T65-HD Swap into an older GP?
  153. Dyno Tuning in Michigan
  154. A Crusader's Dilemma
  155. speed governor?
  156. Last runs N/A 12's almost....
  157. 08 GP GXP vs 07 dodge 300C????
  158. Anyone using the Predator, with the DOD enabled tune, look inside...
  159. are there any weld wheel options for a 06 monte ss
  160. just bought my wife a 06 SS Cobalt
  161. suggestions
  162. ran the car with 200 miles and ran the car with 17k on it.
  163. 97 Hp gain Carcraft Cam swap?
  164. Kinda Feel Like I'm Cheating On Her ...
  165. Radio Reception
  166. MP3's and the Stock Navigation Unit
  167. Anyone know where to get new struts??? Bilstiens discontinued
  168. new owner
  169. H.U.D. Replacement Windshield
  170. Beware of Vector Motorsports!!!
  171. Anyone upgrade the torque converter yet?
  172. Going to the track
  173. LS7 Springs???
  174. Oil in my coolant reservior!!!!!!!!
  175. Transmission question
  176. debadging
  177. throttle body not 3 bolt
  178. Air box for sale
  179. Sunroof Reseal
  180. Paint Issue
  181. Stuff for sale
  182. SLP Powerflow cat/back exhaust now for LS4 cars
  183. think this cam will work
  184. My ambitious project
  185. Dog Bones
  186. K&N Drycharger filter cover for wet rainy days
  187. Best rockers, springs and push rods to get
  188. anyone want an almost new gxp exhaust?
  189. inner gas flap
  190. Just got back from the dyno :(
  191. Zero Muffler Setup?
  192. FS: Magnaflow Cat/Back Exhaust for Monte Carlo SS
  193. Any problems lowering the Magnaflow exhaust
  194. Thermotec adhesive heat shield on gas tank
  195. Cartuning Turbo Kit for Sale
  196. Some things replaced (long/ vent)
  197. another problem.....
  198. gas tank shield
  199. A little trip
  200. Look what I ordered
  201. Sway bar
  202. newb to LS4
  203. DOD problem?
  204. Custom tube bending, for intake into fender
  205. Kaltech Custom Tunning, Long Island, New York
  206. this car is a bitch to parkl
  207. Premature worn leather
  208. Which rims to get?
  209. tuning exhaust code
  210. 6 Speed Trans for the 5.3
  211. Exhaust Voiding My Warranty
  212. Looking for winter rims and tires for the gxp
  213. Magnaflow on a 2008 GXP?
  214. 60' times (stock tires)
  215. Head Gaskets
  216. well ive had the car for only 50 days and already have a problem :(
  217. Got my TCC replaced today.
  218. GXP mufflers
  219. 13.26 @106.89 mph
  220. Ethanol 08 Impala Ss
  221. Brake Upgrades
  222. For you running catless downpipes with hp tuners
  223. Quarter Mile Times
  224. What do you guys think of this ECM Tuner
  225. Anybody know How many 06-07 monte carlo ss were produced?
  226. Ported intake manifold and t body PO121
  227. Assuming I were leave it stock...
  228. '06 Imp SS- tranny and mods question
  229. Took the buddies' wife's IMP SS to the dragtrip tonight...
  230. Anyone tried to change the dome light?
  231. Headliner MonteProblems...
  232. Door dint!!@!$@!#$#@%#@%!#@$~$
  233. Interior Noise
  234. I'm in the dark reaching for answers....
  235. Gxp Question
  236. Some new mods.....56k, no, no, no, no
  237. exhaust manifold porting
  238. MAF Screen
  239. Thoughts on these?
  240. Car in for repairs :(
  241. Couple of questions concerning hp/tq gains with mods
  242. Mass Airflow idea
  243. Hp Tuner Logging questions
  244. e-Cutout Wiring ?
  245. Basic Cylinder Head Porting
  246. One good question!!
  247. How loud
  248. Some problems with the car
  249. Hurricane Gustav
  250. Debadging