Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Enhanced Chassis Rigidity and Control. The Stifflers FIT Subframe System provides exceptional structural reinforcement for improved handling, ride quality, and overall driving performance. Designed specifically for 2005–2014 Ford Mustang models without side exit exhaust systems, this system strengthens the vehicle’s chassis while maintaining full suspension articulation and ground clearance. By reducing chassis flex, it delivers a smoother ride and tighter control during acceleration, cornering, and braking.
Construction and Appearance. Constructed from high-grade tubular steel with precision engineering, the FIT Subframe System is built to last under high-stress driving conditions. The sealed tube ends prevent corrosion and contamination, ensuring long-term durability and structural integrity. Its matte black finish adds a professional, corrosion-resistant layer that complements the vehicle’s undercarriage. The design is CAD-optimized for rigidity while maintaining minimal weight, providing a superior balance of strength and efficiency. Compatible with factory convertible braces, this subframe reinforcement system offers the best of both performance and practicality without interfering with existing suspension components.
Installation. Designed as a direct replacement system, the FIT Subframe System installs with no floor cutting or permanent modifications required. It uses precision-engineered mounting points for a secure, non-intrusive fit, and comes with all necessary hardware including bolts, spacers, washers, and end plugs. Professional installation is recommended to ensure proper torque specifications and alignment. Once installed, drivers can expect improved steering response, reduced body roll, and minimized cabin rattling thanks to the stiffer chassis structure.
Application. This Stifflers FIT Subframe System fits 2005–2014 Ford Mustang models without side exit exhaust configurations. Ideal for enthusiasts seeking to enhance structural integrity and performance, it provides improved handling dynamics, stability, and overall driving comfort. With its sealed-tube matte black construction and direct-fit design, this subframe reinforcement system offers a perfect blend of strength, refinement, and durability for both daily driving and performance applications.
Stifflers FIT-M03
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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