Precisely engineered to help fight subframe flex.
This product was last offered at the strikethrough price on
09-18-2026
Precisely engineered to help fight subframe flex.
This product was last offered at the strikethrough price on
09-18-2026
An upgrade that you can feel AND see! No cutting or drilling required.
Triangulate the rear of your chassis with our bolt-in rear chassis braces!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
An upgrade that you can feel AND see! No cutting or drilling required.
Corner flatter, pivot faster and hold the road tighter with this rear Suspension Package! Includes our 25mm Rear Sway Bar and optional Adj. End Links and our Billet Chassis Brace!
10X Entries Into Our F80 M3 Sweepstakes
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
Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems
This product was last offered at the strikethrough price on
09-18-2026
Triangulate the rear of your chassis with our bolt-in rear chassis brace kit!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Put a limit on body roll and enhance rear sway bar effectiveness with this easy to install subframe brace
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
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
05-02-2026
Add substantial resistance to chassis flex for improved handling. No cutting or drilling required!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
This product was last offered at the strikethrough price on
05-05-2026
Significantly increase lifespan and eliminate annoying squeaking
2X Entries Into Our F80 M3 Sweepstakes
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
Reinforce your chassis while protecting costly undercarriage components
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Mounts behind rear seats to reduce chassis flex