2015 Subaru Wrx Engine Upgrades

    Performance Mods by WRX Experts.

    Shop 2015 Subaru Wrx Engine Upgrades by Category

    Cooling image

    Cooling

    Intercoolers

    Intercooler Hose Kits

    Intercooler Piping Kits

    Radiator Hoses

    Fluid Coolers

    Shop All

    Engine Dress Up image

    Engine Dress Up

    Oil Caps

    Dress Up Caps

    Radiator Shrouds

    Engine Covers

    Battery Tie Downs and Trays

    Shop All

    Exhausts image

    Exhausts

    Cat Back Exhaust System

    Axle Back Exhausts

    Exhaust Gaskets and Hardware

    Downpipes and Y Pipes

    Exhaust Hangers

    Shop All

    Motor Builds image

    Motor Builds

    Pulleys

    Short Blocks

    Engine Hardware and Fittings

    Gaskets

    Shop All

    Air Induction image

    Air Induction

    Cold Air Intakes

    Air Intake Filter Replacements

    Turbo Inlet Hoses and Pipes

    Air Intake and MAF Hoses

    Throttle Body Hoses

    Shop All

    Turbochargers and Superchargers image

    Turbochargers and Superchargers

    Blow Off Valves

    Turbos

    Wastegates

    Boost Control Solenoids

    Turbo Kits and Supercharger Kits

    Shop All

    Oil Systems image

    Oil Systems

    Air Oil Separators

    Catch Cans

    Shop All

    Fuel System image

    Fuel System

    Fuel Lines and Fittings

    Fuel Pumps

    Flex Fuel

    Fuel Pressure Regulators

    Shop All

    Engine Management image

    Engine Management

    Plug and Play Engine Management

    Engine Management Sensors

    Staged Power Packages

    Shop All

    Shop 2015 Subaru Wrx featured products

    503 Results

    PERRIN Oil Cap (Blue) - Subaru Models (Inc. 2002-2024 WRX / 2004-2021 STI / 1998-2024 Forester / 2013-2024 BRZ)

    5 In Stock

    PSP-ENG-711BL

    PERRIN Oil Cap (Blue) - Subaru Models (Inc. 2002-2024 WRX / 2004-2021 STI / 1998-2024 Forester / 2013-2024 BRZ)

    $69.70
    Invidia N1 Full Titanium Twin Outlet Cat-Back Exhaust System - 2015-2021 Subaru WRX

    HS15STIDTG

    Invidia N1 Full Titanium Twin Outlet Cat-Back Exhaust System - 2015-2021 Subaru WRX

    5.0(1)
    $1,835.54
    Invidia R400 Gemini Single Layer Cat Back Exhaust - Titanium Burnt Tips - 2015-2021 Subaru WRX / STI

    86 In Stock

    HS15STIGM4ST

    Invidia R400 Gemini Single Layer Cat Back Exhaust - Titanium Burnt Tips - 2015-2021 Subaru WRX / STI

    5.0(2)
    $1,848.28
    Mishimoto Plug-N-Play Performance Aluminum Fan Shroud Kit - 2008-2015 Subaru WRX / STI

    18 In Stock

    MMFS-STI-08P

    Mishimoto Plug-N-Play Performance Aluminum Fan Shroud Kit - 2008-2015 Subaru WRX / STI

    3.0(2)
    $353.08
    PERRIN "P" Dipstick Handle (Neon Yellow) - Subaru Models (Inc. 2015-2024 Subaru WRX / 2014-2018 Forester / 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2020 Toyota 86 / 2022-2024 GR86)

    5 In Stock

    PSP-ENG-720NY

    PERRIN "P" Dipstick Handle (Neon Yellow) - Subaru Models (Inc. 2015-2024 Subaru WRX / 2014-2018 Forester / 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2020 Toyota 86 / 2022-2024 GR86)

    $53.55
    Overtake Aluminum Turbo Inlet - 2015-2021 Subaru WRX / 2014-2018 Forester XT

    A10243

    Overtake Aluminum Turbo Inlet - 2015-2021 Subaru WRX / 2014-2018 Forester XT

    $230.00
    IAG Performance 750 Closed Deck Includes: Case Halves - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

    IAG-ENG-S750

    IAG Performance 750 Closed Deck Includes: Case Halves - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

    $5,499.99
    Boomba Racing Aluminum Oil Cap Natural - Subaru Models (inc. 2002-2021 WRX / STI)

    001000120000

    Boomba Racing Aluminum Oil Cap Natural - Subaru Models (inc. 2002-2021 WRX / STI)

    $61.75
    IAG 600 Street Cylinder Heads Package (Includes Kelford EZ Cams, Cam Towers, Lifters & Rockers) - 2015-2021 Subaru WRX / 2015-2016 STI

    IAG-ENG-H600L

    IAG 600 Street Cylinder Heads Package (Includes Kelford EZ Cams, Cam Towers, Lifters & Rockers) - 2015-2021 Subaru WRX / 2015-2016 STI

    $5,999.99
    GrimmSpeed Cat-Back Exhaust System Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    070033

    GrimmSpeed Cat-Back Exhaust System Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    $2,115.07
    MXP Comp RS Muffler Delete - 2015-2018 Subaru WRX / STI

    11 In Stock

    MXCRVAMD

    MXP Comp RS Muffler Delete - 2015-2018 Subaru WRX / STI

    $650.75
    Dress Up Bolts Titanium Hardware Trunk Kit (True Burned) - 2015-2021 Subaru WRX / STI

    SUB-019-TI-TB

    Dress Up Bolts Titanium Hardware Trunk Kit (True Burned) - 2015-2021 Subaru WRX / STI

    $59.39
    X Force Race Catback Exhaust System with Quad Tip/Hot Dog Resonator - 2011-2021 Subaru WRX / STI

    ESSW28CS

    X Force Race Catback Exhaust System with Quad Tip/Hot Dog Resonator - 2011-2021 Subaru WRX / STI

    $1,125.00
    COBB Tuning CAN Flex Fuel Upgrade - 2015-2017 Subaru WRX

    343650

    COBB Tuning CAN Flex Fuel Upgrade - 2015-2017 Subaru WRX

    $1,035.00
    Boomba Racing Blow Off Valve Natural - 2015-2021 Subaru WRX / 2014-2018 Forester

    031000030000

    Boomba Racing Blow Off Valve Natural - 2015-2021 Subaru WRX / 2014-2018 Forester

    $267.90
    PERRIN Cam Solenoid Cover (Red) - 2015-2024 Subaru WRX

    8 In Stock

    PSP-ENG-172RD

    PERRIN Cam Solenoid Cover (Red) - 2015-2024 Subaru WRX

    $152.15
    Compressive Diamond cover pully kit (Neon Yellow) - 2015-2021 Subaru WRX

    DS1-NY-D

    Compressive Diamond cover pully kit (Neon Yellow) - 2015-2021 Subaru WRX

    $195.00
    IAG 950 EJ25 Subaru Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

    IAG-ENG-S950

    IAG 950 EJ25 Subaru Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

    $6,499.99
    Mishimoto Radiator Hose Kit (Neon Yellow) - 2015-2021 Subaru WRX

    9 In Stock

    MMHOSE-WRX-15NY

    Mishimoto Radiator Hose Kit (Neon Yellow) - 2015-2021 Subaru WRX

    $161.23
    ETS 4" Front Mount Intercooler (Anodized Gold) - 2015-2021 Subaru WRX

    200-40-IC-027

    ETS 4" Front Mount Intercooler (Anodized Gold) - 2015-2021 Subaru WRX

    $1,109.00

    Page 1 of 26

    110% Price Match Guarantee*

    Find the same product for less on any competitor's site, and we'll match that price and beat if by 10% of the difference!* 

    Free Shipping*

    Free shipping is available within the lower 48 states for orders totalling $199 or more. Simply select the free shipping option during checkout.
    *Exclusions apply

    30 Day, 100% Satisfaction

    SubiSpeed Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.