GrimmSpeed TMIC Dyno Duct Subaru WRX 2008-2014 | 090114 vendor_OTL Although hollow bars may provide

Although hollow bars may provide minimal weight savings

-25% Reduction over stock

Does not fit the WRX sedan or STI

increases stiffness and prevents flex in the chassis behind the rear bumper support

Noble Bulge Hood Scoop Version 1 (Paint Matched)

GrimmSpeed TMIC Dyno Duct Subaru WRX 2008-2014 | 090114 vendor_OTL Although hollow bars may provideProduct Fitment: 2008 2014 WRX Subaru hood scoops force a MASSIVE amount of air through the core and simulating that on the dyno can be a challenge. The GrimmSpeed lineup of TMIC Dyno Ducts should help alleviate some of that headache and provide the best possible test and tune conditions.