Product Details
Overview
Overview
The Haltech NSP Shortcuts Fat Mat delivers professional-grade sound deadening and thermal management for high-performance engine builds. At 90cm x 40cm, this premium acoustic material tackles heat soak, exhaust drone, and vibration issues that plague modified cars, especially in turbo builds and track-focused applications where engine bay temperatures soar.
Technical Specifications
- Part Number: HT-309037
- Dimensions: 90cm x 40cm (35.4" x 15.7")
- Material: High-density acoustic dampening compound
- Application: Sound deadening and thermal barrier
- Temperature Rating: Suitable for engine bay applications
Why You Need This
Anyone who's built a serious turbo setup or track car knows the pain points this mat solves. Heat soak destroys intake air temperatures and makes cockpit temperatures unbearable during spirited driving. Exhaust drone through the firewall ruins the driving experience, whilst engine vibration transmitted through thin metal panels creates that cheap, rattly feel that kills the premium nature of a well-built car.
We see this constantly in builds like big-turbo 2JZ swaps, rotary conversions, and high-output LS engines where factory sound deadening has been stripped for weight saving. The NSP Fat Mat addresses firewall heat transfer, exhaust tunnel resonance, and floor pan vibration — critical areas where cutting corners shows immediately. Whether you're building a street-tuned SR20 or a full race RB26, proper acoustic treatment separates professional builds from bedroom bodges.
ECU & System Compatibility
This acoustic material complements any Haltech ECU installation where engine bay heat management matters. Particularly valuable in Elite 550, 750, 1000, 1500, and 2500 builds where ECU placement and wiring routing benefit from thermal protection. Works alongside Nexus R3, R5, and Rebel setups in tight engine bay applications common in drift cars and circuit builds.
What's in the Box
- 1 x NSP Shortcuts Fat Mat (90cm x 40cm)
- High-adhesive backing for permanent installation
- Installation guidelines for optimal placement
Complete Your Build
Most customers tackling comprehensive engine bay acoustic treatment also require additional materials for complete coverage. Contact our technical team for guidance on coverage calculations and companion acoustic products to match your specific chassis and build requirements. Our team stocks complementary thermal barriers and has extensive experience with professional sound deadening installations across all popular swap platforms.



