Whiteline Plus 5-Speed Transmission Mount Insert — Fits 1998-2013 Subaru Forester/Impreza/Outback

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SKU: WHLKDT956
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Whiteline Plus Transmission Mount Insert for Subaru 5-Speed

Upgrade your Subaru's shifting performance with the Whiteline Plus Transmission Mount Insert (KDT956). Designed for 5-speed manual transmissions, this insert is engineered to eliminate the slop and lag associated with factory rubber transmission mounts. By filling the voided areas within the stock mount, this low-compliance polymer insert significantly enhances the directness and feel of your gear changes.

Experience the Difference:

  • Crisp Gear Shifts: Feel a more precise and immediate engagement with every shift.
  • Reduced Lag: Minimize the delay between driver input and drivetrain response, especially during on/off throttle transitions.
  • Improved Drivetrain Feel: Gain a more connected and performance-oriented driving experience.
  • Durable Polymer Construction: Built to withstand the rigors of spirited driving.

This transmission mount insert is ideal for Subaru owners seeking to enhance the tactile feedback from their gearbox. Whether you're navigating tight corners on a rally stage or simply want a more engaging daily drive, the Whiteline insert provides a noticeable improvement in shifter feel and responsiveness. It's a simple yet highly effective modification for enthusiasts who demand more from their vehicle.

Vehicle Fitment:

  • Subaru Forester: 1998-2002 (Base, L, S), 2003-2013 (X), 2006-2008 (X L.L. Bean Edition), 2009-2013 (X L), 2008 (Sports 2.5 X, Sports 2.5 XT)
  • Subaru Impreza: 1993-2007 (Various trims including Base, L, LX, Outback Sport, RS, TS, WRX - check specific year compatibility)
  • Subaru Outback: 2000-2004 (Various trims)
  • Subaru Baja: 2003-2006 (Base, Sport), 2004-2006 (Turbo)

Get the performance edge you crave with the Whiteline Plus Transmission Mount Insert, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Subaru Baja Base
2003-2006 Subaru Baja Sport
2004-2006 Subaru Baja Turbo
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2013 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2010 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
2009 Subaru Forester XT
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005-2011 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2017 Subaru Impreza Base
2012-2017 Subaru Impreza Limited
2012-2017 Subaru Impreza Premium
2017 Subaru Impreza Sport
2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2004-2006 Subaru Legacy GT
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2006-2009 Subaru Legacy 2.5i
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R

…and 30 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Whiteline Plus Transmission Mount Insert for Subaru 5-Speed

Upgrade your Subaru's shifting performance with the Whiteline Plus Transmission Mount Insert (KDT956). Designed for 5-speed manual transmissions, this insert is engineered to eliminate the slop and lag associated with factory rubber transmission mounts. By filling the voided areas within the stock mount, this low-compliance polymer insert significantly enhances the directness and feel of your gear changes.

Experience the Difference:

  • Crisp Gear Shifts: Feel a more precise and immediate engagement with every shift.
  • Reduced Lag: Minimize the delay between driver input and drivetrain response, especially during on/off throttle transitions.
  • Improved Drivetrain Feel: Gain a more connected and performance-oriented driving experience.
  • Durable Polymer Construction: Built to withstand the rigors of spirited driving.

This transmission mount insert is ideal for Subaru owners seeking to enhance the tactile feedback from their gearbox. Whether you're navigating tight corners on a rally stage or simply want a more engaging daily drive, the Whiteline insert provides a noticeable improvement in shifter feel and responsiveness. It's a simple yet highly effective modification for enthusiasts who demand more from their vehicle.

Vehicle Fitment:

  • Subaru Forester: 1998-2002 (Base, L, S), 2003-2013 (X), 2006-2008 (X L.L. Bean Edition), 2009-2013 (X L), 2008 (Sports 2.5 X, Sports 2.5 XT)
  • Subaru Impreza: 1993-2007 (Various trims including Base, L, LX, Outback Sport, RS, TS, WRX - check specific year compatibility)
  • Subaru Outback: 2000-2004 (Various trims)
  • Subaru Baja: 2003-2006 (Base, Sport), 2004-2006 (Turbo)

Get the performance edge you crave with the Whiteline Plus Transmission Mount Insert, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Subaru Baja Base
2003-2006 Subaru Baja Sport
2004-2006 Subaru Baja Turbo
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2013 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2010 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
2009 Subaru Forester XT
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005-2011 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2017 Subaru Impreza Base
2012-2017 Subaru Impreza Limited
2012-2017 Subaru Impreza Premium
2017 Subaru Impreza Sport
2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2004-2006 Subaru Legacy GT
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2006-2009 Subaru Legacy 2.5i
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R

…and 30 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Whiteline Plus Transmission Mount Insert for Subaru 5-Speed

Upgrade your Subaru's shifting performance with the Whiteline Plus Transmission Mount Insert (KDT956). Designed for 5-speed manual transmissions, this insert is engineered to eliminate the slop and lag associated with factory rubber transmission mounts. By filling the voided areas within the stock mount, this low-compliance polymer insert significantly enhances the directness and feel of your gear changes.

Experience the Difference:

  • Crisp Gear Shifts: Feel a more precise and immediate engagement with every shift.
  • Reduced Lag: Minimize the delay between driver input and drivetrain response, especially during on/off throttle transitions.
  • Improved Drivetrain Feel: Gain a more connected and performance-oriented driving experience.
  • Durable Polymer Construction: Built to withstand the rigors of spirited driving.

This transmission mount insert is ideal for Subaru owners seeking to enhance the tactile feedback from their gearbox. Whether you're navigating tight corners on a rally stage or simply want a more engaging daily drive, the Whiteline insert provides a noticeable improvement in shifter feel and responsiveness. It's a simple yet highly effective modification for enthusiasts who demand more from their vehicle.

Vehicle Fitment:

  • Subaru Forester: 1998-2002 (Base, L, S), 2003-2013 (X), 2006-2008 (X L.L. Bean Edition), 2009-2013 (X L), 2008 (Sports 2.5 X, Sports 2.5 XT)
  • Subaru Impreza: 1993-2007 (Various trims including Base, L, LX, Outback Sport, RS, TS, WRX - check specific year compatibility)
  • Subaru Outback: 2000-2004 (Various trims)
  • Subaru Baja: 2003-2006 (Base, Sport), 2004-2006 (Turbo)

Get the performance edge you crave with the Whiteline Plus Transmission Mount Insert, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Subaru Baja Base
2003-2006 Subaru Baja Sport
2004-2006 Subaru Baja Turbo
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2013 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2010 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
2009 Subaru Forester XT
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005-2011 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2017 Subaru Impreza Base
2012-2017 Subaru Impreza Limited
2012-2017 Subaru Impreza Premium
2017 Subaru Impreza Sport
2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2004-2006 Subaru Legacy GT
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2006-2009 Subaru Legacy 2.5i
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R

…and 30 additional fitments. Contact us to confirm yours.

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