Sound Performance

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Forum: Sound Performance

630-893-5002 - We specialize in building street supras!! For the latest in turbo technology, CALL US!!

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  1. Sticky Thread Sticky: Contact information for Larry at SP

    If you guys need to get ahold of me, do not PM me!!! Either email me at XXSUPRAXX@AOL.COM or call my cell phone @ 630 205 6690. I am always available to help you guys out!! Larry SP

    Started by Sound Performance, 06-26-2004 02:07 PM
    2 Pages
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    • Replies: 38
    • Views: 23,134
    05-02-2017 09:36 AM Go to last post
  2. Sticky Thread Sticky: It's HERE!!!! 4L80E for the Supra.

    All, we at SP are VERY pleased to announce the SP 4L80E is completed. I drove the car this morning around town and it is absolutely AMAZING!!!! Sorry, I'm getting carried away with the !!!! I'm speachless on how smooth this setup is, crisp 1-2, 2-3, and 3-4. Downshifts flawlessly, and she scoots....

    Started by Quikturbo, 03-29-2007 11:33 AM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 285
    • Views: 79,787
    08-08-2016 04:24 PM Go to last post
  3. Sticky Thread Sticky: Toyota didn't build the 2010 Supra, but Sound Performance did...

    Sound Performance Ultimate Supra Build Pre-Release Teaser Video!!! We are extremely proud to finally release this build and give you a small taste of what has been happening at Sound Performance. At the customer's request, we have kept this build quiet and have sworn any and all who venture into...

    Started by Reid@SP, 06-10-2010 03:30 PM
    4 Pages
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    • Replies: 79
    • Views: 36,756
    03-03-2016 02:29 AM Go to last post
  4. Sticky Thread Sticky: SP Quick Spool Valve FAQ and Instructions Thread

    ---Sound Performance Quick Spool Valve FAQ and Q&A--- ____________________________________________________________________________________________________________________ SP Quick Spool Installation Instructions 1. Take off C-clip on valve arm to allow easy movement of the valve.

    Started by Reid@SP, 08-12-2010 04:24 PM
    3 Pages
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    • Replies: 58
    • Views: 57,296
    11-07-2015 11:53 AM Go to last post
  5. Sticky Thread Sticky: It's Back!! SP Built A340E Toyota Transmission w/ UPGRADED 2nd Gear Sprag

    SP Re-Released Built Auto A340E Transmission This is the transmission that started it all!! Originally found in SP01 and Marko's infamous white Supra, the Built Toyota Transmission was the pioneer for drag racing and street cars in the early Supra years. Due to the number of inquiries we...

    Started by Reid@SP, 01-28-2011 08:07 PM
    2 Pages
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    • Replies: 33
    • Views: 21,895
    09-30-2012 09:45 PM Go to last post
  6. Sticky Thread Sticky: SP Semi-sequential Single turbo valve

    Here is a dyno of our new valve for twin scroll turbos that will divert all exhaust to one scroll during spool up and then open to allow both to run normally..... Seriously..... who else innovates like we do??? Seriously?

    Started by Sound Performance, 03-11-2008 08:39 PM
    31 Pages
    1 2 3 4 5 6 ... 31
    • Replies: 757
    • Views: 163,278
    06-07-2010 12:18 AM Go to last post
  1. Thumbs up INTRODUCTORY SALE - New ProEFI CAN Display/Logger Now Available!!

    Sound Performance ProEFI CAN Display/Logger v3 Introductory Sale CLICK HERE to view/purchase ProEFI Color CAN Display/Logger v3 on We are pleased to introduce the New Color CAN Display & Logger system from ProEFI. Combining two of the most beneficial data...

    Started by Reid@SP, 10-04-2013 01:40 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 5,257
    05-31-2017 07:30 AM Go to last post

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