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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
  • 52.8M

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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  • 49.5M
  • 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
  • 20.9M
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. 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...
  3. 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...
  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. 1st Gen PICTURES ONLY - NO CONVERSATION!

    Showroom
    Post up pics of your 1st Gen IS300's. -Only pictures and a description of current mods. -No conversation! If you have questions or comments use PM. Btw, I asked a mod before doing this and he is going to sticky it.
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