BBI Autosport 2013-2019 Porsche 991 GT3/GT3RS Streetcup Harness Bar
or as low as $237.08/mo with Affirm
About This Product
The BBI StreetCup Harness Bar for the 991 GT3 and GT3 RS shares the same proven 2-piece design and high-strength DOM tubing construction as the GT2 RS variant. Mounting to the frame structure with factory bolts, it provides maximum protection with X-braces on both sections for superior rigidity. Every joint is meticulously TIG welded by hand.
CNC inner diameter tube clamps deliver a precision fit while eliminating unsightly through-bolts. The main hoop contours the roof arch with a consistent 3/16" gap, and satin black powder coat is standard with custom OE color matching available.
Key Features
- ◆1.75" x 0.095" and 1.5" x 0.083" high-strength seamless DOM tubing
- ◆TIG welded with X-braces on front and rear sections
- ◆Mounts to frame structure using factory bolts
- ◆Laser-cut mounting plates with CNC inner diameter tube clamps
- ◆Works with stock or aftermarket seats — full seat travel retained
- ◆Compatible with stock seat belts or 6-point harnesses
- ◆Wrap-around harness design with optional eyelet bolt provisions
- ◆Main hoop contours roof arch with even 3/16" gap
- ◆Bolt-in — no drilling, minimal carpet trimming
- ◆Made in USA
Technical Specifications
| Tubing | 1.75" x 0.095" / 1.5" x 0.083" DOM Seamless |
| Construction | TIG Welded, X-Brace Design |
| Design | 2-Piece Bolt-In |
| Mounting | Chassis Frame (Factory Bolts) |
| Finish | Satin Black Powder Coat (custom colors available) |
| Origin | Made in USA |
Vehicle Fitment
About BBI Autosport
BBI Autosport is a Porsche performance engineering company based in Sacramento, California. From championship-winning GT3 Cup cars to 1,000+ horsepower street builds, BBI brings motorsport-grade precision to every component they develop. Their StreetCup program bridges the gap between track-proven motorsport engineering and street performance sensibility.
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