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2008-2014 WRX Engine
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GFB3 pc Underdrive/Non-Underdrive Pulley Kit 2008-2014 WRX / 2008-2021 STI
Go Fast BitsOriginal price $365.00Original price $365.00 - Original price $365.00Original price $365.00Current price $328.50$328.50 - $328.50Current price $328.50| /It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM...
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GFB Mach 2 TMS Recirculating Diverter Valve 2008-2014 WRX
Go Fast BitsOriginal price $212.00Original price $212.00 - Original price $212.00Original price $212.00Current price $190.80$190.80 - $190.80Current price $190.80| /ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and op...
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GFB Direct Fit Deceptor Pro II 2008-2014 WRX
Go Fast BitsOriginal price $504.00Original price $504.00 - Original price $504.00Original price $504.00Current price $453.60$453.60 - $453.60Current price $453.60| /Now You Can Control The Sound Of The BOV From Inside The Cabin!So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes t...
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GFB 2 Piece Under-Drive Pulley Kit w/ Belts (Crank & Alternator) 2002-2021 WRX/STI
Go Fast BitsOriginal price $260.00Original price $260.00 - Original price $260.00Original price $260.00Current price $234.00$234.00 - $234.00Current price $234.00| /One of the ways that you can improve the response in your engine is by adding a lightweight pulley set. Lightweight pullies have less rotational ma...
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GFB TMS Respons Blow Off Valve Kit 2008-2014 WRX / 05-09 LGT
Go Fast BitsOriginal price $342.00Original price $342.00 - Original price $342.00Original price $342.00Current price $307.80$307.80 - $307.80Current price $307.80| /If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...
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