HKS SILENT Hi-Power S15 SR20DETHKS SILENT Hi Power S15 SR20DET

The external threads and spring perch offer customizable height adjustability

In-house dyno testing produced gains of up to +22 horsepower and +26 lbs

Putco LUMINIX custom mounting brackets are made in America and are backed by a one-year warranty

die-cast aluminum

The 1-3/8" Nitrobrite steel shafts are polished for long seal life and are harder than standard chrome shafts

45mm) but has the benefit of longer life and better resistance to offroad conditions of dust and sand etc

Year Make Model Submodel 2001-2004 Avanti II Base 2004-2007 Cadillac CTS V 2007-2008

quiet and durable

Brembo 12-17 M5 (F10) Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type-3-Silver

2016 GMC Yukon Denali 2008 GMC Yukon Hybrid 2006 GMC Yukon SL 2000-2008

BBS PFS KIT - Subaru - Includes 70mm OD - 56mm ID Ring / 70mm Clip

Considered by 4x4 owners around the world to be a staple accessory for off road travel