# aFe Power 48-36803 Twisted Steel 1.63" Long Tube Header for 2002-2021 Subaru Impreza Wrx 2.0L and More ### Performance Overview aFe Power's new Twisted Steel header delivers an astounding 12hp and 19lbs. x ft. torque while outflowing the factory exhaust manifold. aFe engineers have designed a header that features a symmetrical tube design for optimum balance and efficiency of exhaust flow. To eliminate dead space that can cause turbulence and hindering flow that formed collectors are prone to produce, a true merged collector and optimized tube lengths are used for true pulse control technology improving flow and performance. 100% TIG-Welded construction ensures optimal strength and durability. The smooth curves and increased diameter of this header help remove restriction and keep exhaust gas flowing smoothly for improved performance and durability on and off the trails. All components are supplied for a hassle-free installation with no modifications necessary. ### Key Features - Brand: aFe Power - Part number: 48-36803 - Product type: Twisted Steel 1.63" Long Tube Header - Designed for the compatible vehicle applications listed on this page ### Vehicle Fitment - 2002 Subaru Impreza Wrx 2.0L - 2003 Subaru Impreza Wrx 2.0L - 2004 Subaru Impreza Wrx 2.0L - 2005 Subaru Impreza Wrx 2.0L - 2012 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L - 2013 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L - 2014 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L - 2005 Subaru Legacy Gt, Gt Limited, I, Limited 2.5L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 48-36803. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Twisted Steel 1.63" Long Tube Header for Subaru Impreza Wrx 2.0L - 48-36803 fitment - aFe Power Twisted Steel 1.63" Long Tube Header - 2002 Subaru Impreza Wrx 2.0L Twisted Steel 1.63" Long Tube Header ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2002 Subaru Impreza Wrx 2.0L 2003 Subaru Impreza Wrx 2.0L 2004 Subaru Impreza Wrx 2.0L 2005 Subaru Impreza Wrx 2.0L 2012 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L 2013 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L 2014 Subaru Impreza Wrx, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L 2005 Subaru Legacy Gt, Gt Limited, I, Limited 2.5L 2006 Subaru Legacy 2.5I, Gt, Gt Limited, Gt Spec.B 2.5L 2007 Subaru Legacy 2.5I, 2.5I Limited, 2.5I Special Edition, Gt Limited, Gt Spec.B 2.5L 2008 Subaru Legacy 2.5I, 2.5I Limited, 2.5I Special Edition, Gt Limited, Gt Spec.B 2.5L 2009 Subaru Legacy 2.5I, 2.5I Limited, 2.5I Special Edition, Gt Limited, Gt Spec.B 2.5L 2010 Subaru Legacy 2.5Gt, 2.5I, 2.5I Limited, 2.5I Premium 2.5L 2011 Subaru Legacy 2.5Gt, 2.5I, 2.5I Limited, 2.5I Premium 2.5L 2012 Subaru Legacy 2.5Gt, 2.5I, 2.5I Limited, 2.5I Premium 2.5L 2013 Subaru Legacy 2.5I, 2.5I Limited, 2.5I Premium 2.5L 2015 Subaru Wrx Sti Base, Limited, Launch Edition 2.5L 2016 Subaru Wrx Sti Base, Limited, Series.Hyperblue 2.5L 2017 Subaru Wrx Sti Base, Limited 2.5L 2018 Subaru Wrx Sti Base, Limited, Type Ra 2.5L 2019 Subaru Wrx Sti Base, Limited, S209 2.5L 2020 Subaru Wrx Sti Base, Limited 2.5L 2021 Subaru Wrx Sti Base, Limited 2.5L ## Details - **Price:** 1396.79 CAD - **Vendor:** aFe Power - **Type:** Twisted Steel 1.63" Long Tube Header - **Tags:** 2.5I, 2.5I Limited, 2.5I Premium 2.5L, 2.5I Special Edition, 2002 Subaru Impreza Wrx 2.0L, 2003 Subaru Impreza Wrx 2.0L, 2004 Subaru Impreza Wrx 2.0L, 2005 Subaru Impreza Wrx 2.0L, 2005 Subaru Legacy Gt, 2006 Subaru Legacy 2.5I, 2007 Subaru Legacy 2.5I, 2008 Subaru Legacy 2.5I, 2009 Subaru Legacy 2.5I, 2010 Subaru Legacy 2.5Gt, 2011 Subaru Legacy 2.5Gt, 2012 Subaru Impreza Wrx, 2012 Subaru Legacy 2.5Gt, 2013 Subaru Impreza Wrx, 2013 Subaru Legacy 2.5I, 2014 Subaru Impreza Wrx, 2015 Subaru Wrx Sti Base, 2016 Subaru Wrx Sti Base, 2017 Subaru Wrx Sti Base, 2018 Subaru Wrx Sti Base, 2019 Subaru Wrx Sti Base, 2020 Subaru Wrx Sti Base, 2021 Subaru Wrx Sti Base, 48-36803, aFe Power, AFE-48-36803, Air Filter, Air Intake, Auto Parts, Automotive, Diesel Performance, Direct Replacement, Exhaust Performance, Gt, Gt Limited, Gt Spec.B 2.5L, I, Launch Edition 2.5L, Limited, Limited 2.5L, Performance Parts, S209 2.5L, Series.Hyperblue 2.5L, Twisted Steel 1.63" Long Tube Header, Type Ra 2.5L, Vehicle Fitment, Wrx Limited, Wrx Premium, Wrx Sti, Wrx Sti Limited 2.5L ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1396.79 CAD | In stock | ## Images - aFe Power 48-36803 Twisted Steel 1.63" Long Tube Header --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-subaru-impreza-wrx-2-0l-twisted-steel-1-63-48-36803) > Updated: 2026-07-16