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Grimmspeed 3-port Electronic Boost Control Solenoid (Evo 8 / 9 / 10) Grimmspeed 3-port Electronic Boost Control Solenoid Evo 8 9 10 VIII IX X ebcs-evo Our price: $96.79 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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GrimmSpeed 38mm External Wastegate Gasket Subaru WRX STi GrimmSpeed 38mm EWG Gasket Subaru WRX STi GS-GSKT-38MM Our price: $5.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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Grimmspeed Air/Oil Separator (Subaru WRX / STi) An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system.  Our price: $279.99 Buy Now

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GrimmSpeed Antenna Delete Plate Subaru Impreza WRX STi GrimmSpeed Antenna Delete Plate Subaru Impreza WRX STi GS-ANT-DLT We introduce our newest product for Subaru Impreza models from 1996-2008; an Antenna Delete Plate. The purpose of this product is to replace the OEM whip-style antenna that many drivers dislike and theref... Our price: $21.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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GrimmSpeed Catless Bellmouth Downpipe WRX/STi/FXT GrimmSpeed Catless Bellmouth Downpipe WRX/STi/FXT Our price: $329.99 Buy Now

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GrimmSpeed Downpipe to Catback 3" Gasket 2X THICK GrimmSpeed Downpipe to Catback 3" Gasket 2X THICK Our price: $19.99 Buy Now

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GrimmSpeed Downpipe to Catback 3" Gasket Subaru Impreza WRX STi GrimmSpeed Downpipe to Catback 3" Gasket Subaru Impreza WRX STi GS-GSKT-3IN Our price: $13.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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Grimmspeed Electronic Boost Control Solenoid (Mazdaspeed 3/6) The GrimmSpeed BCS is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw the same ammount of power as the factory BCS but flows better and reacts faster. Our price: $99.99 Buy Now

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GrimmSpeed Electronic Boost Solenoid (Subaru WRX/STi) GrimmSpeed introduces the most complete and easy to use 3-Port Electronic Boost Solenoid available on the market. Our price: $109.99 Buy Now

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GrimmSpeed EWG Block-Off Plate Subaru WRX STi GrimmSpeed EWG Block-Off Plate Subaru WRX STi GS-EWG-Block Our price: $16.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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GrimmSpeed Exhaust Manifold to Crosspipe Gaskets Subaru WRX STi GrimmSpeed Exhaust Manifold to Crosspipe Gaskets Subaru WRX STi Gasket GS-GSKT-XPIPE 44022AA160 Our price: $16.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list

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GrimmSpeed Exhaust Manifold to Head Gaskets Dual Port Subaru WRX STi GrimmSpeed Exhaust Manifold to Head Gaskets Dual Port Subaru WRX STi GS-GSKT-HGDP Our price: $17.99 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Buy Now Add to wish list