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The model that started it all - at least in the USA. The GD chassis STI is one of the most widely developed and modified platforms EVER with an extensive racing pedigree to back it up as well.
Check out our extensive list of parts for the 2002-07 STI ranging from engine performance to aesthetics.
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GrimmSpeed Top Mount Intercooler Silicone Coupler Kit - 2004-21 Subaru STI, 2002-07 Subaru WRX
$79.90 | $94.00
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$220.15 | $259.00
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GrimmSpeed Engine Bay Dress-Up Caps
$53.55 | $63.00
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GrimmSpeed Radiator Hose Kit - 2008-21 Subaru STI, 2008-11 Subaru Impreza, 2008-14 Subaru WRX
$98.60 | $116.00
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GrimmSpeed Manual Boost Controller
$101.15 | $119.00
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$305.15 | $359.00
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$305.15 | $359.00
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$52.70 | $62.00
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$267.75 | $315.00
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$98.60 | $116.00
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