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The ST Sporttech lowering springs offer a 1
the Street version is fully compatible with factory air conditioning systems
and less variation in performance between right-hand and left-hand turns
HS15SW4G3S
Grimmspeed Top Mount Intercooler Kit Subaru WRX 2015-2021 | 090070 Wheel Offset_35mm The ST Sporttech lowering springs090070 For your Subaru WRX 2015 2021 Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tanks, large bar and plate core and TIG welded construction. The factory FA20dit TMIC is well suited for stock applications, but when boost levels are increased, the higher post turbo air temps contribute to pre detonation (or 'knock') and loss in power. The GrimmSpeed intercooler is designed