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  1. Looking for more power
  2. Jerking
  3. Acceleration Problems after 70mph?
  4. 2012 IS250 headlight getting haze at top of light, fixable?
  5. Spark plug and wire help
  6. Looking to tone the exhaust down
  7. Which throttle body and shorty header?
  8. Thinking Of Getting Tanabe and Invidia
  9. OVTuning Hand held tuner
  10. AEM ETI Intake With CEL, VSC, And trac lights on!
  11. Upgrading to F-Sport Exhaust
  12. Carbon build up advice Lexus IS250
  13. OV Transmission tune. (Kinda)
  14. TTFS ECU upgrade help
  15. 2013 IS350 Engine Performance
  16. Increasing rev limit on ECU tune
  17. ECU tune effect on gas mileage for daily driving
  18. Limited slip differential upgrade for IS250
  19. LS500 TT 3.5L V6 engine in a 2IS?
  20. Denso TT Spark Plugs
  21. Different F-Sport Accessories?!?
  22. Joe Z/PTS cat-back street version availability
  23. Best 'quiet' exhaust
  24. Universal twin loop muffler?
  25. Ovtune ECU Flash Tune Review
  26. Full Catless?
  27. Tanabe/Resonator delete
  28. 325's fit
  29. F-Sport Intake how to DIY?!?
  30. Invidia Q300 - little or no drone? (IS250)
  31. '09 IS250 AWD Performance Upgrades
  32. Exhaust perfromance..
  33. LSX IS250 Engine Swap
  34. Tanabe left side muffler gasket
  35. Where to buy midpipe?? located in California
  36. 2008 Lexus IS250 Exhaust, Mid Pipe, and Intake Help
  37. Intake Question
  38. Help with catback build
  39. Help identifying exhaust
  40. ECU Tune IS250
  41. Exhaust 2009 IS250
  42. how far can we push our IS350 engine while remaining N/A
  43. IS350 0-60 time with RRracing tune
  44. Which mufflers fit?
  45. 8 Speed Swap Idea
  46. 07 IS350 Modding Questions
  47. Questions on Turbo build
  48. Help with P0137 After Mazzuri Headers
  49. Are there any side effects to tuning our engines?
  50. Is this tune for real? 25whp gain!
  51. OBD Tune? RR Racing? TTFS?
  52. OBX Racing Headers
  53. OS Giken LSD installed finally in 2008 IS 350
  54. Megan Midpipe + Tanabe Axleback
  55. 2is Tanabe + Megan vs. PTS JoeZ vs. Ark
  56. 08 IS250 Straight Pipe?
  57. Midpipe
  58. Straight Pipe
  59. IS250 AWD Invidia mid pipe question
  60. Possible Custom Intake
  61. have anyone tried Agency Power ecu flash
  62. Good resonator for IS350?
  63. PPE Headers actually work?
  64. 2006 Lexus IS350 JoeZ Performance Exhaust NEED HELP
  65. E85 Tune Available for IS350 Yet?
  66. Is there a reason why no one touches the internals of the engine?
  67. Ovtune ECU tuning experience/review
  68. (force) fitting an ARK DTS exhaust onto an AWD IS
  69. Engine of all engines (calling all engine experts)
  70. New IS350 Owner!! I have questions...
  71. 2006-2013 IS350 Bolt ons and tune. N/A 300+ Rwhp!
  72. Installed a true CAI
  73. PPE Headers + Invidia Mid Pipe + HKS Hi Power
  74. Adding F Sport Intake to Magnflow axle back exhaust, too raspy?
  75. Intake mod results
  76. Stand Alone Engine Management
  77. Lexus IS: Supercharging, Turbocharging and Nitrous Modifications
  78. Meistershaft GTS Exhaust in a IS350?
  79. DIY midpipe swap advice
  80. Intake that doesn't take air from engine bay?
  81. Need your opinion, Invidia midpipe stays or goes?
  82. 08 IS250 AWD/Auto mods?
  83. Add Magnaflow (or alike) to stock IS250 system, ok?
  84. Manzo exhaust with res delete
  85. Lexus HKS exhaust
  86. Upgrade IS 250 exhaust, best choice for deep tone?
  87. Best way to eliminate rasp?
  88. RR Racing vs. TTFS Engine Tune
  89. AFE Pro DRY S Stage-2 Intake + Invidia Mid-Pipe + Tsudo SP2 Axleback V2
  90. PPE/Mazzuri Header Performance Gain Discussion
  91. Invidia Q300+Mid-pipe question
  92. Another Intake question..
  93. CEL after installing Injen air intake on 2011 ISF
  94. E-cutouts
  95. Deleting resonator?
  96. In search of the perfect sound...(Invidia Axel+ Megan Mids+ Joez intake)
  97. Joe Z intake + Megan Mid + Tsudo Axleback
  98. Performance upgrades
  99. My Tuning Tech Frank Smith Experience
  100. The Black Sheep - European IS220d Performance Mods Thread
  101. Megan midpipes / invidia axelback
  102. Invidia midpipe + CEL = :(
  103. IS350 2007 K&N intake before and after
  104. IS250 Awd '07
  105. Exhaust help please.
  106. help - new midpipe gaskets
  107. ECU Tuning Questions/Answers
  108. OS Giken Super Lock LSD for me
  109. Intake modification
  110. Intake kit choice HELP !!
  111. TTFS Tune for the IS250?
  112. Boost awd 250 or upgrade to 350
  113. Exhaust issues
  114. Exhaust suggestion needed : Axle/Cat-Back for an AWD IS250 2011
  115. Can i add an exhaust control valve to my joe z exhaust?
  116. AWD 2007 IS 250 Front Pipe replacement
  117. Where to buy stiffer exhaust hangers?
  118. 350 lextacy build
  119. You think RR Racing will tune our cars too?
  120. Tanabe Exhaust Torque Specs
  121. is 250 to 350 engine swap
  122. Recommended site to buy Megan Mid Pipe?
  123. Coil pack upgrade = more power?
  124. Need your opinion! To midpipe or not to midpipe
  125. Tanabe Exhaust Axleback Gaskets
  126. Installing intake and midpipe in a few days.. tips??
  127. Vibrant resonator
  128. Which exhaust would you recommend for my 07' is250 AWD?
  129. Muffler Delete?
  130. 2007 Lexus Is350 muffler damage?
  131. My 2006 IS350 Exhaust blocked
  132. Electric SuperCharger
  133. Supercharging my lex
  134. Exhaust
  135. Had clutch replaced and now 1st/2nd are misaligned
  136. Tanabe exhaust system
  137. hks + invidia mids?
  138. HKS + invidia mids rasp?
  139. HELP!! intake or midpipe?!
  140. HELP! Need help identifying leaking (?) part....
  141. Drop in air filters
  142. Spectre intake
  143. Any confirmed fixes for transmission code p2757?
  144. Auto Acceleration with Cruise Control on
  145. Invidia q300 exhaust mid pipe
  146. Best intake ? ?
  147. transimission slipping
  148. Adventures in installing a lightweight battery, part 2.25
  149. Where to buy mapecu3 / hks f-con harness for 2is?
  150. I have a 2007 IS300
  151. IS250 RWD Transmission Swap?
  152. Aftermarket clutch not disengaging
  153. alumunium insulator for main exhaust
  154. Another I installed a Tanabe Axle Back Thread
  155. Need a new mid pipe for my 06 is250
  156. Tsudo exhaust!!
  157. F Sport Exhaust Gaskets
  158. PPE header / O2 conditioner question
  159. Ark Performance, are they still in business?
  160. Invidia Midpipe question!
  161. Tune Questions for an IS250
  162. What's your 1/4 mile time with bolt on I/H/E?
  163. What's your 1/4 mile time with ECT PWR Mode on?
  164. Magnaflow Glasspack
  165. HKS hi power exhaust w/ ap2 tips, silencers
  166. IS250 AWD Exhaust Help
  167. "Satellite switch" in 2008 Lexus IS 350???
  168. F sport exhaust too quiet?
  169. Safc ii
  170. does anyone backfire when you slow down (f-sport exhuast)
  171. PPE Header Installation Shop in Bay Area
  172. Exhaust Question Researched and still nothing need help
  173. Invidia Midpipe + Axleback
  174. Can I Swap an is350 motor into my Is250?
  175. looking for ultimate performance cai to buy
  176. Is250 on nitrous
  177. New at Lexus
  178. Adventures in installing a lightweight battery, part 2
  179. Heat Wrap Afe Intake Is350.
  180. HKS SSM look-alike for IS250/350?
  181. Are there any knock-off f-sport intake arms?
  182. Stillen Supercharger kit
  183. IS350 Afe Intake stage 2 plastic tube, heat shields.
  184. Retrofitting iS350 Supercharger To IS250
  185. Invidia mid pipe back ordered?
  186. Road Race Motorsports Piggy back dyno test
  187. Websites to order Joe Z intake still down?
  188. tein ss coilovers question
  189. Does 3IS intake pipe fit 2IS?
  190. Drive Shaft Loop for IS2Gen
  191. Bridgestones or Hankooks?
  192. Can someone post the DIY FSport Intake installation instructions from Sewell please?
  193. Suggestions on exhaust setups?
  194. Engine Air Filter Showdown: K&N, Stock, Aftermarket
  195. OBX Racing Sports Axleback Exhaust System
  196. Fender vents
  197. Invidia mid pipe?
  198. Exhaust
  199. IS350 w/ F Sport Exhaust with F Sport Intake (High Quality Video)
  200. Mid -Pipe Only to Improve Sound and Performance
  201. Best sounding exhaust set up?
  202. Upgrades for my Is250 auto 08?
  203. Joe-Z Intake
  204. Low end torque got worse with intake?
  205. exhaust tip options
  206. High output alternator- where to get?
  207. Exhaust for 2IS 08..Need help
  208. PLEASE HELP! IS250 won't shift out of 3rd code P0125, P2757
  209. K&N 69-8704TP intake on the second gen?
  210. Road race Motorsport piggy back
  211. HKS silencers?
  212. Best intake for an 06 IS250
  213. Injen Intake Fitment Help
  214. Black Soots From Exhaust all over rear bumper and trunk
  215. Invidia mids
  216. Megan Mid Pipe
  217. Muffler Delete Pros & Cons
  218. 3is aftermarket axle back exhaust
  219. F-sport exhaust where to purchase?
  220. Ark Throttle Controller
  221. invidia midpipe help!
  222. Tsudo Axle-back Installed
  223. Resonator Delete
  224. Aem is250 and is350???
  225. Hks hi-power or joe-z exhausts?
  226. IS350 HKS hi-power+intake in tunnel
  227. Your thoughts of FSPORT intake
  228. WTB Fsport intake and Fsport exhaust
  229. IS350 catless setup with tanabe + invidia
  230. FS and wtb belong only in classifieds please
  231. Ecu flash
  232. any ideas on what this could be???? IS250 wont start
  233. ppe headers
  234. Turbo
  235. Has to be a way.....
  236. Denso Iridium TT (Twin-Tipped) Spark Plugs
  237. can someone tell me if this sound is,normal?
  238. cant find joez exhaust is350c
  239. 3IS owner question about specific set-up
  240. IS350 True Dual X-pipe into Invidia Q300 Build
  241. F Sport Sway Bar and Intake?
  242. Invidia midpie install and O2 sensor troubles
  243. New Mufflers Only
  244. I need help to buy headers for My IS350
  245. Are 12's Possible?
  246. Advice on Ebay Ap2 Exhaust Tips
  247. Injen intake install... Check engine
  248. Changing tips of f sport exhaust
  249. HKS Hi-Power AxelBack Exhaust Dies off after 3500rpm, Possible Solution: Intake?
  250. HKS Hi Power Question