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