GrimmSpeed Hella Horn Wiring Harness Subaru WRX / STI (2002-2014) / Legacy (2002-2015) / Outback (2002-2015) / Forester (2002-2015) Vehicle Model_Lancer Evolution 9 Must be used with ACT

Must be used with ACT flywheel or 2003 to 2005 WRX flywheel

lighter solution where performance is critical or where space is a premium

8in on the rear end

Laser-cut CNC bent brackets to ensure a perfect fit

Grimmspeed has developed a high quality cold air intake system to meet the demands of tuners in mind for your Subaru WRX and STI

GrimmSpeed Hella Horn Wiring Harness Subaru WRX / STI (2002-2014) / Legacy (2002-2015) / Outback (2002-2015) / Forester (2002-2015) Vehicle Model_Lancer Evolution 9 Must be used with ACTWhen it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some testing, we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using automotive relay, inline fuse and additional wiring directly to your battery. Fully pre assembled, our simple harness will allow you to plug and play in