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  1. M

    ***SOLD***Science of Speed (SOS) Ultra-High Output GT-Spec Exhaust System (NSX 1991-2005) + Science of Speed (SOS) Test Pipes

    For Sale are the following exhaust parts that I purchased from Science of Speed (SOS) in late 2022: 1) Excellent condition, barely used (less than 100 miles), Science of Speed (SOS) Ultra-High Output GT-Spec Exhaust System (SOS Part #: EAP-1091 or EAP-109x); Per SOS's website, the exhaust is...

    Exhaust ScienceofSpeed Exhaust Adaptor Kit (2000-2005)

    Adapter kit from SOS for 2000-2005 NSX. has ~1000 miles on them, complete with bolts. PN#-eap-492 $150 shipped USA. SOLD SOLD SOLD this is so you can use NA1 exhausts on NA2 Paypal, Check, etc. Pictured below in the box.
  3. A

    WTB: SOS Rapid Shift Knob (Zanardi replica)

    Looking to buy a SOS Rapid Shift Knob (Zanardi replica) for $90 shipped to Westminster, CA 92683. Please email at [email protected]
  4. Yokohama_91

    SciencofSpeed NSX-R Engine Cover - carbon fiber

    I am interested in buying SOS's NSX-R engine cover but can't decide on FRP or exposed carbon fiber, SOS for some reason won't send me a picture of the carbon fiber version??? So can a Primer give me a link to a picture of the carbon finer version? Thanks Simon
  5. Ponyboy

    Powertrain FS: ScienceofSpeed SuperTune ECU

    SOLD Up for sale is a NSX ECU that features the ScienceofSpeed SuperTune ECU chip. Out of the chipped ECUs I've used in my NSX, this version had the best hp and drivability combination. Always produced smooth power, reliable AF ratios, and never gave me any problems. Came off of my '91 5...