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Would You Pass On The Porsche 911 GT3 RS For This?

How Alex Cotraviwat modified his 991 GT3 to look like a racecar with Cup aero, carbon seats and BBS centerlock wheels.

Sam Du
Aug 4, 2020
Photographer: Renz Dimaandal

The Porsche 911 GT3 Cup is the world's most-produced race car with over 2,600 units sold since 1998. What you don't know about the GT3 Cup car is that Porsche Motorsport doesn't exactly have a catalog or website available where you can order parts. They're only available for legitimate race teams that have already spent the near quarter-million dollars acquiring its full-fledged GT3 Cup racecar, which is exactly why it was frickin' spectacular when we saw Alex Cotraviwat's Cup-converted 991 GT3 cruising the streets of Los Angeles.

2016 Porsche 911 GT3 Porsche Motorsport Cup Front Bumper 01 Photo 39/39   |   Would You Pass On The Porsche 911 GT3 RS For This?

Alex's whip started life as a 2016 911 GT3 coupe—a track-focused two-seater that's heart and soul is a high-revving naturally aspirated 3.8-liter engine with a 9,000rpm redline. The GT3 only comes in rear-wheel-drive and shift gears via a PDK transmission with shorter ratios, track-optimized shift programming and shorter-travel paddles—basically an automatic so good that you won't be bitchin' about a manual.

The '16 GT3 produces a healthy 475hp and 325 lb-ft of torque, which for most humans, is more than enough for piloting around city streets. Alex understood this quite well and explained to us that he wasn't your typical Porsche club member and weekend racer, but a modified car enthusiast having built several imports and Euros since high school several years ago. So, despite having the money to purchase the more powerful, lighter weight and more dedicated GT3 RS track car, he invested in a GT3 and used the leftover funds to source the extremely rare aero from the GT3 Cup car.

2016 Porsche 911 GT3 Porsche Motorsport Cup Rear Wing 01 Photo 39/39   |   Would You Pass On The Porsche 911 GT3 RS For This?

As mentioned earlier, Porsche Motorsport Cup components aren't for sale; you have to be a part of a race team to get your hands on 'em. It just so happens, Alex heard through the grapevine of a kit that was available from a race team that had retired mid-season due to a horrific crash. This ultra-exclusive aero kit needed to be offloaded and Alex jumped at the opportunity. The conversion included the carbon-fiber front bumper, front fenders, flares, rear bumper, rear wing, hatch, hood and certain suspension components. Alex reveals he paid around $50,000 for the package, which could've afforded him the GT3 RS, but we can all agree this arguably looks more badass for a street car.

The next biggest wow factors are the Porsche Motorsport seats and BBS centerlock wheels. Those carbon, leather and suede buckets are also plucked from the GT3 Cup catalog and cost $20,000 for the pair (yes, they're that rare and expensive!) The BBS E07 wheels took months of waiting to be built, but eventually fit perfectly within the fenders of his GT3 matched with Michelin Pilot Sport Cup tires.

2016 Porsche 911 GT3 BBS E07 Centerlock Wheel Photo 39/39   |   Would You Pass On The Porsche 911 GT3 RS For This?

Originally, Alex had a carbon-ceramic brake upgrade but with the smaller 19-inch BBS as opposed to the factory-equipped 20-inch wheels, he had to switch to a smaller OEM Brembo brake setup—a necessary sacrifice that still has plenty of stopping power for a street-tuned 911.

The rest of Alex's build consists of an RSS X-pipe exhaust, BBI roll bar and a livery that pays homage to the 911 racecars in which he modeled his project car off of. We're sometimes hesitant on road cars with full race liveries but witnessing this Cup-inspired GT3 make several passes down Sunset Boulevard, it's simply breathtaking to see in person, and we can only imagine it must be just as surreal for Alex.

2016 Porsche 911 GT3 Porsche Motorsport Cup Conversion 02 Photo 39/39   |   Would You Pass On The Porsche 911 GT3 RS For This?
2016 Porsche 911 GT3 Porsche Motorsport Cup Fenders Photo 39/39   |   Would You Pass On The Porsche 911 GT3 RS For This?
By Sam Du
1000 Articles
Would You Pass On The Porsche 911 GT3 RS For This?
Tuning Menu
Car: 2016 Porsche 911 GT3 (991.1)
Owner: Alex Cotraviwat
Hometown: Los Angeles
Occupation: President/CEO of Jaback Group
Instagram: @_alexcotraviwat_
Power: 475hp, 325 lb-ft of torque
Engine: 3.8-liter DOHC 24-valve flat-six; RSS X-pipe center exhaust with Soul Performance side muffler bypass pipes
Drivetrain: seven-speed twin-clutch automatic
Footwork & Chassis: Porsche Motorsport Cup suspension with Swift Springs
Brakes: 380mm cross-drilled front and rear rotors with six-piston front, four-piston rear calipers
Wheels & Tires: 19x10" front, 19x12.5" rear BBS E07 centerlock wheels; 265/35R19 front, 325/30R19 rear Michelin Pilot Sport Cup tires
Exterior: Porsche Motorsport Cup conversion
Interior: BBI Autosport 991 Street Cup roll bar; Porsche Motorsport carbon fiber seats
Thanks: Greg Hwang from House Automotive in Pasadena, CA



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