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CMS Performance Bolt-In Roll Bar for Porsche 991 GT2RS, GT3 & GT3RS This Roll Bar Fits the Following Cars: 991.1 Porsche GT3 (2014-15) 991.1 Porsche GT3RS (2016)  991.2 Porsche GT3 (2018-19) 991.2 Porsche GT3RS(2019) 991.2 Porsche GT2RS(2018) THE BEST ROLL BAR FOR PORSCHE'S GT TRACK ANIMAL The CMS Performance 991 Roll Bar is the strongest, safest, and highest quality bolt-in roll bar on the market for your GT2RS, GT3 or GT3RS, period. In designing and building the CMS roll bar, safety and structural rigidity are our primary goals. That's why we fully TIG welded 1.75" Docol R8 Advanced High-Strength Steel tubing instead of the less-expensive but inferior 4130 CrMo others use. It's why CMS Performance uses the strongest chassis mounting points and cross-brace the main hoop. Click Here for Installation Instructions AMERICAN CRAFTSMANSHIP & ATTENTION TO DETAIL The CMS roll bar places your safety harness shoulder straps at the proper angle (0º to -20º) and distance (as close as possible) to the driver, regardless of seat position. CMS Performance uses thicker Docol tubing and main-hoop cross bracing to give you an unobstructed rear view without the need for additional bracing. That adds up to safety superior to that of other products we've seen for sale. CMS rear kickers bolt to the Porsche 991 rear shock towers (where the factory racing roll cage mounts), the safest, strongest mounting points. This adds rigidity to the chassis and suspension. The main roll hoop is mounted to the steel frame structure beneath the vehicle just like the factory cage. CMS PERFORMANCE MEANS STRENGTH & BEAUTY Fully TIG welded by master welders and professionally powder-coated in-house, the structural integrity, fit, and finish of the CMS Performance Porsche 991 GT2RS/GT3/GT3RS Roll Bar is absolutely unsurpassed. CMS Performance offers a full range of powder-coat colors professionally matched to Porsche OEM paint codes. Or you can choose a custom color from thousands of Prismatic Powders shades, including, of course, a beautiful matte black if stealth is more your thing. Powder coating is included in the price of your CMS Performance roll bar. Superior engineering, design, quality, safety, and appearance at an affordable price, backed by our legendary customer service all add up to this: you can pay a lot more for a roll bar, but you'll only get the best from CMS. ADD RACING HARNESSES FOR SAFETY AND SAVINGS! Add six-point Schroth Enduro 2x2 GT3 , Schroth Flexi 2x2 GT3 , or Sabelt Silver Series GT3 , or four-point Schroth Profi II ASM GT3  harnesses to your order with our convenient pull-down menus above. These harnesses are specifically designed to bolt right up to your Porsche carbon lightweight bucket seats. (Porsche's passenger-side seat does not typically have a sub-strap pass through.) If you're installing six-point harnesses in your Porsche, we strongly recommend adding the CMS Performance Sub Strap Mounts to your order. They provide a solid, properly located anchor for your antisubmarine straps and are very easy to install. CMS PERFORMANCE PORSCHE 991 GT2RS/GT3/GT3RS ROLL BAR DETAILS 1.75"x0.095" Docol R8 Advanced High-Strength Steel tubing for superior strength Full-penetration 360o TIG welding throughout One-piece main hoop and three-piece kicker make installation so much easier CNC-cut precision mounting plates CNC-machined steel interlocking clamps ease installation US-made Grade 8 hardware included Full seat travel with any seat Comes with detailed installation instructions & all necessary hardware for a seamless installation This product is intended for off-road use only.