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View Full Version : 2.4L Performance Tech

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  1. Ram air?
  2. Cobalt Performance Airbox
  3. dynos done today
  4. Resetting the oil minder
  5. Adding the SS Turbo?
  6. 35 mpg!!
  7. Pics of my ZEX set up.
  8. OEM Cold Air help!
  9. Bump-stop trim:how much?
  10. Its here!
  11. Ok, This might sound strange..
  12. JFC, Another anomoly with my 08?
  13. filter for CGS
  14. Missing hole on valve cover
  15. Turbo
  16. Where to get outlaw filter
  17. Took Mitz in for some fixes...all done.
  18. Cgs
  19. LOUD a** muffler
  20. WHAT DOES variable valve timing do
  21. Can I run 1/2 ethanol 1/2 normal gas in my 06?
  22. Matting a 6-speed auto to the HHR someday...
  23. weapon-R air intake
  24. Turbos for hhr?
  25. Perfromance Parts??!?!?!
  26. cgs installed
  27. Going to St. Louis
  28. Anyone tried a performance mod chip?
  29. gmpp cold air intake
  30. My GMPP intake; installed
  31. GMPP Intake + Jet Performance module
  32. GMPP Intake, CARB and warranty questions
  33. How many gallons does it hold?
  34. Lowering my HR
  35. Gallons remaining when low fuel indicator on
  36. Mine was built in the 9th month
  37. airaid fit problem
  38. Deceleration Fuel Cut off
  39. Throttle Response?
  40. Can you say "supercharged"?!
  41. No GMPP WTF??? Feedback Please!!!
  42. MAF question
  43. Aftermarket Exhaust
  44. HHR in for service
  45. Check Engine Problem Solved !
  46. Magnaflow on order........
  47. 91 octane = 172hp, 87 octane = ?
  48. Header
  49. Intake Kit Question
  50. Nitro Box performance chip
  51. 2.4l acceleration question....
  52. Electric welding on an HHR
  53. OBX Exhaust Manifold Header 05-08 Chevy HHR 2.4L Ecotec
  54. Gmpp Header
  55. gmpp exhaust?
  56. Fuel Injectors
  57. Cold Air Intake that works!!
  58. ground wire size
  59. Code problem
  60. CGS intake chosen by Godfather Customs
  61. new & old dyno results
  62. tune reset??
  63. Hahn Turbo Kit for 2.4L HHR
  64. Brake vacuum hose
  65. Help need Imco part #
  66. Pics of my new/used CGS intake!
  67. engine swap
  68. Looking through my GMPP catalog..
  69. Please Tell Me
  70. Cold Air Questions
  71. Cobalt exhaust on hhr?
  72. Cylinder Head Pressure Limits
  73. Anyone try header yet?
  74. In search of higher mpg
  75. CGS Air Intake Installed
  76. Woot!
  77. Info please
  78. Ok , Supercharged 2.4 Part 2 ?
  79. CGS Axle-Back installed today
  80. Tested the Deer Slayer for a bit.
  81. New filters - New Check engine Light
  82. K&n cipk
  83. Mods going on soon, need advice!
  84. 2.4 Tech write up
  85. 2.4 Throttle Body question
  86. K&N air box?
  87. Question about the 2.4L
  88. First trip down the drag strip.
  89. Jet Performance Modules
  90. Cooling fan start UP temp?
  91. Oil change and magnetic drain plug
  92. Check engine light - My only choice !
  93. GMPP Intake
  94. Chips that can be bought for 2.4 motor
  95. Performance Package
  96. complete package
  97. Intake questions...
  98. IMCO vs Magnaflow noise.....
  99. K&N air intake problem. anyone else have problem?
  100. Thinking about headers
  101. Performance Brakes?
  102. Free shipping on K&N AirCharger for your 2.4L @ PFYC.com
  103. engine oil filler tube rusting?
  104. Disconnect Battery, what will happen?
  105. First oil change
  106. 93 Oct???
  107. Coolant Temp Question?
  108. First Mods of the HHR and Impressions
  109. looking for a quiet exhaust
  110. 2.4 or 2.2
  111. Cold air intake?
  112. Any differences ?
  113. ss engine swap
  114. Will this oil cap fit?
  115. PCMforless
  116. GMPP HHR Intake - Cold Air
  117. 2nd set of Mods and Impressions
  118. trifecta tune questions
  119. Gm performance air intake
  120. GM Performance exhaust
  121. Jet performance module stage 1
  122. Horsepower gain
  123. Airaid intake?
  124. K&N Filters works well or not?
  125. Airaid question
  126. RTM Motorsports "plug and play" chip
  127. Switch to Synthetic now?
  128. CGS Intake Mounting Point?
  129. exhaust opinions
  130. My 2006 2.4 TURBO HHR!
  131. Header?
  132. another intake/exhaust question
  133. price of GMPP CAI
  134. Power loss
  135. Weapon intake
  136. Your input please
  137. Oil Change???
  138. Getting More Performance Out of My 2.4L!
  139. Product Review: Trifecta Tune
  140. rim question
  141. Cobalt SS Supercharger on an HHR 2.4?
  142. Oil change. Quaker State 10W-30 Multigrade, good option?
  143. Best Intake
  144. Ecotec goes racing!
  145. Trifecta Performance Discussion
  146. Hahn RaceCraft 2.4 HHR Turbo Install - The Review
  147. Oiled air filters
  148. So let's make a turbo thread that won't get locked.
  149. Manual Trans gear oil question
  150. Tire smoking little monster.....
  151. Need new muffler
  152. Cold Air Intake System Weapon R Dragon
  153. 2.4 25K maintenance
  154. EcoTec Tuning
  155. Time for a new clutch
  156. Not Sure 2.4 or SS
  157. Muffler Ideas!!
  158. K&N air filter and synthetic oil question
  159. Can we get a sticky?
  160. Cobalt downpipe compatible with HHR?
  161. Airaid intake installed on 2.4l
  162. eng. light still coming on 2006 2.4
  163. OBX header and downpipe
  164. Realistic Horsepower numbers
  165. RS4 performance chip
  166. Charcoal Canister
  167. HPTuners Tune?
  168. Losing MPGs
  169. belt or chain?
  170. Pacesetter Headers?
  171. Knock sensor for 2,4L. distinction 2006 - 2009.
  172. installed jetpcm stage 2
  173. GMPP Exhaust
  174. sent back my jet stage 2
  175. ss turboon 2.4?
  176. Ram Air?
  177. Part # for 2.4?
  178. 2.4 vs SS
  179. worth throwning money into mods?
  180. full intake or just a filter?
  181. N.o.s.
  182. Exhaust and cold air
  183. pics of intake
  184. what cobalt ss parts fit
  185. info/ turbo
  186. G Force Performance Chip Kit ?? Anyone ??
  187. found a supercharger kit for the 2.4
  188. tuning ?
  189. Doubt about rear transmission mount.
  190. Blue chip performance chip
  191. changing valve springs
  192. Thinking of getting tune but scared
  193. wanna add wideband o2
  194. Tuned or not?
  195. ls4 swap???
  196. SLR Motorsports "chip"
  197. Backpressure
  198. Trifecta Tune 2.4
  199. Exhaust
  200. Supercharged 2.4l Stage 2 Clutch
  201. LE5 and LAP
  202. My New Muffler
  203. GMPP CAI Installed
  204. Gmpp?
  205. turbo for a 2006 2.4L
  206. Supercharged HHR
  207. Injection is Nice, But.....
  208. trimming stock air box
  209. CGS Intake System
  210. manual boost controller
  211. How to reset ECM after a performance Mod.
  212. tuning w/Trifecta Tune
  213. cgs clean and oil instructions?
  214. suppercharger
  215. Singing the 2.4L praises
  216. Thought my 2.4 was a toad...
  217. Are U using HPT?
  218. Finally Dynoed the HHR
  219. who has run their hhr at the dragstrip times an mph
  220. engineperformancechip.com
  221. 2.4L Engine Build
  222. pickup 8 tenths of a second 0-60 with just a spark plug change?