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General Discussion

For general discussion about the first-generation Lexus IS300 Sport Sedan. If there is a more appropriate forum your topic, please put it there. Cross-posted topics will be deleted. Completely off-Topic discussion should be in The PL.
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  • 476K
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Showroom

Want to improve the interior or exterior of your IS? This is the right place to discuss anything from shift knobs to body kits.
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  • 419K
  • 49.5M

Member Sale/Trade

Post your for private-party sale or trade ads here. Items must be usable on an IS model. No COMMERCIAL posting allowed, period. Ads in other forums will not be tolerated.
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  • 382K
  • 19.4M

Go Fast Stuff

The basic ways to make your IS go faster. All the bolt-ons from free flow air filters to headers, midpipes and exhausts.
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  • 232K
  • 28.7M

The Garage

Want to hang and talk about cars? Chill with other autofanatics and bench drivers here. While this is an Off-Topic forum, please behave!
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  • 228K
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Trending Discussions All Trending Discussions →
  1. Slammed/ Aggressive Wheel Thread

    Stop, Drop and Roll
    Let's see your slammed cars. Let's see your aggressive wheels. I am talking tucking tires, and rolling and pulling with a stretched tire!!
  2. ALL: BS Thread - - Slight NWS.

    Mid-Atlantic
    Since we all can't chat amongst ourselves in the other threads -- maybe this is allowed. Let's keep all the other threads clean and just BS in this one... If this doesn't fly, then FOOOCK, I give up. :confused:
  3. The Slammed / Aggressive **WHEEL FITMENT** thread

    Wheels and Tires
    The intended purpose of this thread is EXTREMELY SIMPLE. More and more people are beginning to ask questions regarding aggressive wheel fitment and whatnot, so I believe that a thread specifically dedicated to answering those questions would greatly benefit everyone on this site. Here is how it...
  4. Help needed stat after timing belt change!

    Basic Help & Repair
    Hi guys I’m new to the forum and hoping to get some suggestions for my 2004 Lexus IS300 with 413k after changing timing belt,cam seals, VVTI O ring, WP, VC gaskets. I did this a few years ago without issue but I added the VVTI and cam seals this time and I think I made a mistake when...
  5. Comprehensive AR5 Swap Thread

    Go Faster
    The purpose of this thread will answer all your questions for a AR5 swap into a IS300. I will cover part lists, Questions and answers, and at the end a Installation. There is many options and variables to doing a transmission change on a IS300. We will start with the bare bones parts list...
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