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Increasing the thickness of the front sway bar can help reduce understeer which will drastically improve the drivability of your 2015 STI
Dryflow filters provide the same level of protection as an oiled filter and require less maintenance
63mm in size
this is 6000K white
The aluminum bar possesses high rigidity due to the two different designs available
COBB Tuning Uppipe - Subaru Models (inc. 2006-2014 WRX / 2004+ STI) PDM_replacement-bulbs Increasing the thickness of theThe Uppipe: The Restriction Between the Engine and the Turbo The Cobb Stainless Steel Uppipe for the Subaru replaces the restrictive factory unit between the exhaust manifold and the turbocharger. The factory uppipe contains a flex section that collapses over time and a catalytic converter that restricts exhaust flow before it reaches the turbine wheel. The Cobb uppipe removes both restrictions, improving exhaust gas flow to the turbine and reducing