630-893-5002 - We specialize in building street supras!! For the latest in turbo technology, CALL US!!
Got a tech question for SP?
94 Supra won't start -...
03-04-2017, 02:08 PM
Check here for the latest SP products!
NEW SP400 Do it yourself...
01-29-2015, 12:16 PM
Look for new SP products and submit your product requests here.
Clutch masters stage 4 fx400...
06-29-2015, 01:24 PM
From Mild to Wild, Look at SP's latest projects here!!
Mariano Take II : 8685 CEA &...
03-16-2016, 06:42 AM
CAN display update/firmware...
Yesterday, 11:43 PM
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....
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...
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!!
---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.
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...
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?
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