GR Yaris Door Soundproofing Kit – Reduce Road Noise & Improve Audio Performance

Upgrade your Toyota GR Yaris with a professional-grade door soundproofing kit designed to reduce road noise, eliminate rattles and improve speaker performance.

This kit uses a multi-layer STP sound deadening system developed and tested in real workshop conditions for maximum comfort and performance.

What’s Included in the Kit

• Pre-cut STP Intrigo for the inner door skin
• StP Aero for the outer door skin
• StP Aero for the plastic door card
• StP Bitoplast Anti-noise tape for the door perimeter
• Anti-noise tape under each clip to reduce plastic rattles
• StP Biplast 10 mm for door card

All major pieces are pre-cut for the GR Yaris for fast and simple installation.

Key Benefits

• Reduces road and tyre noise
• Improves speaker clarity and bass response
• Eliminates plastic rattles and vibrations
• Creates a more solid premium door feel
• Improves overall cabin comfort
• Better performance than factory insulation

Why This Kit Works

Most factory door insulation is minimal and focused mainly on weight and production cost.

This kit uses a professional multi-layer approach:

• STP Aero controls metal vibration and resonance
• STP Intrigo reduces structural noise transfer
• Anti-noise tape removes plastic-to-plastic and clip rattles

This allows the door to feel more solid while reducing unwanted vibration and noise.

Installation Guide

• Remove the door card
• Clean and degrease surfaces thoroughly
• Apply STP Aero to the outer door skin
• Install pre-cut STP Intrigo on the inner door skin
• Apply STP Aero to the plastic door card
• Install anti-noise tape around perimeter and clips
• Install StP Biplast 10mm on a door card
• Use a metal roller for proper adhesion

Installation time: approximately 2–3 hours DIY

Who Is This Kit For?

• GR Yaris owners wanting less road noise
• Drivers upgrading factory audio
• Track and street builds
• Anyone wanting a more premium cabin feel

Why Choose This Kit?

• Designed specifically for Toyota GR Yaris
• Pre-cut materials for easy installation
• No guesswork with material selection
• Professional workshop-tested setup
• Improves both comfort and audio performance

FAQ

Does door soundproofing improve audio?

Yes — reducing door vibration improves speaker clarity, midbass response and overall sound quality.

Will this eliminate rattles?

The included anti-noise tape significantly reduces common plastic and clip rattles.

Do I need to cut the material?

No — major sections are pre-cut specifically for the GR Yaris.

Buy GR Yaris Door Soundproofing Kit in Australia

Upgrade your GR Yaris with a professional STP sound deadening solution trusted by enthusiasts and installed daily in our Sydney workshop.

👉 Order now and improve comfort, sound quality and driving refinement