Reduce chassis flexing
Reduce chassis flexing
Upgrade kit to add lower stress bars, brackets and hardware to ECS Stage 1 Upper Stress Bar Kit
10X Entries Into Our F80 M3 Sweepstakes
For use with ECS Tuning Stage 1 Upper Stress Bar only
This product was last offered at the strikethrough price on
06-13-2026
Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems
Includes two braces to provide additional support to the strut towers for less body flex and to enhance your driving experience
10X Entries Into Our F80 M3 Sweepstakes
Minor trimming of the steel rain tray is required
This product was last offered at the strikethrough price on
10-28-2026
Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Provides additional support to the strut towers to reduce body flex and to enhance your driving experience
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Triangulate your chassis with our front strut bar and Rear and Tunnel braces!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Complete Upper And Lower Triangulated Bars
Powder-coated steel reinforcement bar
Reduce chassis flexing
For vehicles with manual transmission only
Reduce chassis flexing
Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
3-Piece reinforcement
Rear bars are designed to minimize rear chassis flex
Add structural bracing between both front control arm mounts for increased chassis rigidity
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission only
This product was last offered at the strikethrough price on
06-13-2026
Reduce chassis flexing