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Products

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New Products and Product Suggestions

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Current SP Projects

From Mild to Wild, Look at SP's latest projects here!!
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ProEFI - Information and Reviews

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Sticky Contact information for Larry at SP
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 by benk777
Sticky It's HERE!!!! 4L80E for the Supra.
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 by 1sweet-jz
Sticky Toyota didn't build the 2010 Supra, but Sound Performance did...
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 by mike2016
Sticky SP Quick Spool Valve FAQ and Instructions Thread
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 by BoostinSwifty38
Sticky It's Back!! SP Built A340E Toyota Transmission w/ UPGRADED 2nd Gear Sprag
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 by Silver Supra
Sticky SP Semi-sequential Single turbo valve
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 by tekdeus
INTRODUCTORY SALE - New ProEFI CAN Display/Logger Now Available!!
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 by geauxsimon
Marko's 7 Second Daily Driver Supra Picture Thread
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 by mr2foryou
SP Clutchmaster clutch
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 by Alec
PTE 6870 CEA GEN2 Test Results by Sound Performance
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 by Craig Bush
SuckerPunch V160 Short Shifter & Knob
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 by DB8
Would like the treadstone manfiold kit
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 by ZaZZn
Black Friday 2015 Requests
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 by [email protected]
SP Black Friday Sale 2016 - Nov. 14th - Nov. 30th
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 by [email protected]
ecu masterr feedback
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Boost activated exhuast cutout problem
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ProEFI 4th of July Sale by Sound Performance
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Product Release: Stance Signature Series Drag Coilovers for MKIV Supra
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 by jaredb-123
7 Second Street Supra
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 by Casey James
Need Beta tester GaugeART for ProEFI
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 by gaugeART
SP Tax Return Sale 2016 - Ends April 29th
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 by airhead04
Does SP still sell the Dash2Pro any longer?
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 by DetroitAristo
SP Precision MKIII Bolt-on Turbos - Gauging Interest **POLL INSIDE**
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 by SideWinderGX
which plug pro efi
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 by Jostar
Product Release: New SP Catch Can for MKIII Supra
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 by Alec
Product Release: BTI 52mm CAN Gauge with ProEFI Integration
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 by [email protected]
Sound Performance 630-893-5002 - We specialize in building street supras!! For the latest in turbo technology, CAL...
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