226.95 mph : the BBi VMax GT2 RS Porsche

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When building something to push limits is helps to have a good foundation. The Porsche GT2 RS is just that. With 690hp and 211mph capable out of the box its a very serious machine. Even with some basic ECU tuning it already approaches dangerous territory. This being a BBi project - naturally it was not enough.

Every aspect of the car was reviewed and touched with the idea was to keep it as minimally invasive with “bolt-on” solutions. We had to apply as much creativity to setup, weight reduction and power gaining as possible without going full Pikes Peak build on it.

This is the BBi VMax GT2 RS Porsche. Its the fastest 911 with a factory engine, its the fastest 991 generation Porsche and is the fastest 991 GT2 RS. The VMax GT2 RS reached 226.95mph at Sun Valley Tour de Force charity event, second only to the Bugatti Chiron, with 10 more cylinders and 2 more turbochargers.

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VMax Power Package

Boost, Cooling, Calibration

We needed more power. To handle more power we needed to remove restrictions on the induction and exhaust side. We needed to manage the heat better to handle the power and abuse. All these challenges needed solutions.

More Turbo. Larger turbochargers were fitted. These are plug-and-play units, still utilizing VTG technology but now fitted with larger billet compressor wheel and higher flow turbine. Developed by TheTurboEngineers (TTE) in Germany, they are built with the same precision as factory units along with being engineered to maximize output. The turbos perform like factory with quick spool times but deliver greater power as needed. The direct OEM upgrade keeps things simple, without needing adapters or lines.

TTE has been a leader in turbo development especially in the realm of VTG applications. Their experience and background in motorsport is applied to every system.

BBi Autosport Porsche 991 GT2 RS 3.5” Titanium Exhaust System as an essential part of the BBi Autosport 991 GT2 RS Power Package. This system utilizes 3D printing to achieve unique geometry and design elements to ensure unrestricted flow and weight reduction. The 3D printed unique cross over provide smooth exhaust flow and the internal port balances the banks. The exhaust tip, also printed, replaces the decorative factory rings with a real part and incorporates elements from motorsport exhausts. The inner ring, for example, is used to lower decibel levels on race exhaust outlets. Pankl, a race engineering company out of Austria, has been making great strides in establishing Additive Manufacturing as a production method. We have partnered with Pankl to apply the technology and work on infusing more 3D printed components in design and products and explore new possibilities that the technology allows for.

BBi Autosport joined forces with C&R Racing to help design and manufacture the intercooler upgrade system for the Porsche GT2 RS (991). As part of PWR Advanced Cooling Technology, C&R is a full-scale cooling provider, supplying R&D, testing and production of cooling solutions to top-tier race teams, performance automotive niche vehicle manufacturers, and specialty car builders who want only the best for their projects. This kit is ready for installation (plug & play) and features a tube and fin core for ultimate cooling. We opted for a tube and fin core instead of bar and plate for its lighter weight and more efficient thermal inertia. This means it cools quickly when exposed to direct air flow.

To further optimize air flow we added IPD components. The design of the IPD Porsche Plenum replaces the factory plastic "T" style design with a more efficient, precision casted aluminum "Y" design. The fundamental purpose of a plenum is to deliver smoother air at a higher velocity with greater efficiency. The IPD Plenums distributes the air -flow more effectively while reducing pressure drop at the inlet by utilizing a true merge collector and dimpled interior surfacing.

To further improve airflow, the innovative IPD High Flow Y-Pipe design is a direct fit OEM replacement that is not only larger but also utilizes “non-round” runners, in addition to the same design principles as the plenum. These improvements of the Y-Pipe alone deliver an additional 35+ wheel HP, 40+ Foot Pounds of Torque. Together, the IPD Plenum & Y-Pipe increase horsepower and torque well above the factory power curve from launch to redline. The result will be smooth and linear power with considerably quicker boost response creating a longer and more desirable power band.

One thing we noted was that the OEM tank for the intercooler sprayers was rather small. It would be emptied out rather quick with hard driving. We started exploring options and since we were implementing a methanol system as well we opted to use two tanks side by side. The new water tank is 3 gallons, more than double that of the OE tank. The two tanks sit perfectly within the trunk and are easily accessible. The water meth system is carefully plumbed and wired in accordingly. The IC water sprayer works like factory. Interestingly enough, with the upgraded inter-coolers and methanol, even with hard driving and more boost the intake air temps rarely reach the threshold where the water sprayer is activated.

To take advantage of all the hardware - there is the software. We utilize COBB Tuning Accessport and create bespoke calibrations for various fuel types and running conditions. We have been working with COBB for several years, pushing the limits of the factory ECU to achieve highest possible power levels while retaining OE like drivability and daily usage. The VMax GT2 RS is just that - daily drivable.. and 226 mph capable.

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Chassis

Planted, Balanced

For anyone seeking track, canyon use of their GT or RS vehicles we always recommend a basic corner balance and alignment. Porsche sets these cars to understeer and we like to reset the alignment to help the car rotate and for the driver to have more confidence through corners.

The biggest upgrade to the VMax GT2 RS were the Manthey-Racing spec KW Coilovers. These are 4-way adjustable units with MR spring rates, same as what was used on the MR GT2 RS which ran the record setting Nurburgring lap. They are a little stiff for regular street use but it really sharpens up the car, reduces bodyroll and adds a more direct feel. We added our bump steer kit, thrusts arm kit to add adjustability. Installing adjustable drop links enabled us to corner balance the vehicle, even with the carbon anti-roll bars.

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Wheels & Tires

The wheel and tire package consists of the tried and true Michelin Pilot Sport Cup 2 tires with the new Connected Tire technology, wrapped on Forgeline GE1R Wheels (20”, 21”).

Michelin makes the best high performance street tires and now they have added motorsport-like telemetry to compliment and enhance tire performance. Small sensors are mounted to each tire which are read out by a small receiver you place in the cabin. Once set up with the mobile app, you will see real time temp and pressure data. Furthermore, because this is developed BY Michelin FOR Michelin tires - you are given recommendations based on this real time data as to what pressures to run for optimal tire performance. This is almost like having a tire engineer interpret sensor read out and advise.

The app also has track info so you can use it as a lap timer and a logger to monitor temp and pressure. After a few laps you will see how your tires are doing, if you are over driving them or if pressures need to be adjusted - per each tire!. Running optimal pressures is absolutely vital to ensuring the tires are within their ideal compound operating range. This is truly some incredible and extremely useful tech.

The 8-spoke center locking Forgeline GE1 combines the latest in advanced wheel technology, including one piece forged monoblock construction, motorsport engineered design, I-beamed spokes, and I-beamed spoke spans to deliver head-turning good looks with track-ready capability. The GE1 is engineered exclusively for Porsche center lock applications and fits all Porsche center lock systems for street and track, including Cup Car and RSR applications.

The Forgeline GE1 is a fully-forged one-piece monoblock wheel. Utilizing manufacturing technology similar to the very successful GA1R wheel, the concave 8-spoke design of the GE1 looks great and allows plenty of room for caliper clearance and extreme brake fitment. The one-piece monoblock forging and computer-simulated FEA design process yield a wheel that is very lightweight, extremely stiff, and has excellent fatigue strength.

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BBi StreetCup Safety

If aiming to go over 180mph - its best to be safe. The BBi Safety Package for 991 vehicles is a complete solution for ensuring you are secure in the vehicle with the correct equipment.

The StreetCup Harness bar is a bolt in solution for harness mounting and is developed specifically for the GT and RS vehicles. The main hoop is rolled to match the headliner and to be as low profile as possible. The symmetry in the bar construction compliments the vehicle and we are able to offer an assortment of colors. On the VMax the harness bar is coated in satin black to blend in and disapear.

Schroth 6 point harnesses are used for restraint. These are high quality belts, used by Porsche motorsport as well. The factory carbon bucket seats are great, but we opted for FIA approved race seats. The RECARO Profi (FiA) racing seat provides the best starting position for racers seeking to compete for podium places. The Profi's ergonomic S shaped shell forms to the back and the he "built-in" lumbar support provides structured support for the lower back that protects against spinal compression in high impact accidents. Combined with high quality foam the seat is outstandingly comfortable. The bolsters and deep seat cushion pocket cradle your body. The seat holds you firmly in place preventing the fatigue and discomfort caused by unwanted movement during aggressive driving maneuvers. Available in 2 sizes, the Profi SPG XL is 35mm Wider than the normal Profi SPG.

Further more we added a fire supression system. There should be no limits to how safe one can be, and this is a must for any vehicle that is built to be pushed to the limit.

We also explored weight reduction. Radio was removed as well as a lot of the interior trim and carpeting. We the use the Porsche Motorsport interior from the Clubsport program and created a light weight rear carpeting solution for this vehicle. In total we saved 200lbs!

 

Performance, Race

BBi x Pankl in Monterey for Werks Reunion and Historics Racing

BBi Autosport has partnered with Pankl Racing Systems to push forward Additive Manufacturing for production of automotive performance and lifestyle components. The automotive events during car week in Monterey were a perfect opportunity to present what we have been working on and what is to come. We brought along the fastest Porsche to ever take on Pikes Peak - Lucy, the fastest stock engine Porsche - BBi GT2 RS VMax. Lisa Taylor, one of our close friends, was kind enough to show off her Ultramarine Blue PTS 991 GT3 as well!

Werks Reunion, hosted by Porsche Club of America at the Corral de Tierra Country Club, was created to celebrate the Porsche marquee and to bring together enthusiasts, collectors, legends and fans. Its an very well done event with a people coming together from across the world. It was great talking to all the enthusiasts and educating them on the power of 3D printing, how BBi uses it and what the future holds.

The new Titanium GT2 RS Exhaust was on display showcasing the printed X section and tips. We also brought along the 991 Turbo intake manifold and new aero components. These parts fully utilize 3D printing to take advantage of minimal material usage, maximum utility with unique design elements.

The Pikes Peak race car was then moved on to the Rolex Monterey Motorsport Reunion to be displayed by Michelin. The Motorsport Reunion event features many vendors and more importantly racing events. Historic racecars roar around the track from all decades.

Michelin is a long time BBi partner as creators of the best tires for road and race use. The Michelin racing slicks were a major factor in our success at Pikes Peak. We were honored to have Lucy on display at such an event along with other titans of motorosport and history.

 

Performance

BBi Autosport Porsche 991 GT2 RS Titanium Exhaust System Developement

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The Porsche 991 GT2 RS OEM exhaust system leaves much to be desired so we have been working behind the scenes to develop our new BBi Autosport 3.5" titanium exhaust system.

This system utilizes 3D printed titanium components to achieve designs never before possible, minimizing fabricated sections for maximum performance and minimal weight. It features a specially developed X-section with flow prioritization and no restriction as well as 3D printed tips with design elements inspired by the new 991 GT2 RS based 935. Here is the prototype system on installed on our Porsche 991 GT2 RS "Project Vmax" build paired with upgraded turbochargers, intercoolers, exhaust, methanol injection system, IPD / Innovative Pro Design Plenum/Y-Pipe, and bespoke COBB Tuning AP software.

We will get to hard test this power package at the Sun Valley Tour de Force event in Idaho, where we will get to race down Idaho State Highway 75 with no speed limit. Stay tuned for more details!!!

 

Performance

Porsche 991 Turbo S Cabriolet Exclusive Akrapovic Exhaust, Cobb Tuning, IPD Plenum Power Package

2019 Porsche 911 Turbo S Exclusive Series Cabriolet in for upgrades. Thanks to the powerkit reserved solely for the Exclusive Series, this rare beauty makes 607 hp, which is 27 hp more than the standard 911 Turbo S. Still room for more, we installed our Akrapovic Exhaust System, BMC Filter, IPD / Innovative Pro Design Plenum & Y-Pipe, Bydesign motorsport intercooler, and COBB Tuning Power Package.

  • Akrapovic Exhaust System

  • IPD / Innovative Pro Design Plenum

  • IPD / Innovative Pro Design Y-Pipe

  • BMC High Flow Air Filter

  • Bydesign Motorsport Intercooler

  • COBB Tuning Power Package.

991.2 Turbo /S IPD High Flow Y Pipe
1,295.00
Quantity:
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991 GT2 RS IPD Plenum & Y-Pipe

The revolutionary and patented design of the IPD Porsche Plenum improves intake air -flow by replacing the factory plastic "T" style design with a more efficient, precision casted aluminum "Y" design. The fundamental purpose of a plenum is to deliver smoother air at a higher velocity with greater efficiency. The IPD Plenums distributes the air -flow more effectively while reducing pressure drop at the throttle body inlet by utilizing a true merge collector and dimpled interior surfacing. To further improve airflow, the innovative IPD High Flow Y-Pipe design is a direct fit OEM replacement that is not only larger but also utilizes “non-round” runners, in addition to the same design principles as the plenum. These improvements of the Y-Pipe alone deliver an additional 35+ wheel HP, 40+ Foot Pounds of Torque. Together, the IPD Plenum & Y-Pipe increase horsepower and torque well above the factory power curve from launch to redline. The result will be smooth and linear power with considerably quicker boost response creating a longer and more desirable power band.

Features:

  • Increases horsepower, torque, and boost by responsibly optimizing air -flow efficiency

  • Designed with 3D Modeling & Computational Fluid Dynamics software

  • Utilizes diversion splitter and dimpled interior surface eliminate turbulence and increase air -flow

  • High quality cast aluminum construction

  • Direct fit OEM replacement

  • Made in USA

Akrapovic 991.2 Turbo Titanium Exhaust
4,938.99
  • WEIGHT -7.3kg

The Akrapovič Slip-On Line for the Porsche 911 Turbo / Turbo S (991.2) is the first stage in the exhaust tuning process and gives this already outstanding car a further step in performance. Complete the slip-on system with titanium tailpipes in combination with carbon fiber diffuser in matte or high gloss finish (required for install).

  • S-PO/TI/6H
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Cobb Accessport for Porsche 991.2 Turbo / GT2 RS
2,495.00

The Accessport V3 is the world's best selling, most flexible ECU upgrade solution for Porsche. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Upgrade forever with off-the-shelf (OTS) calibrations for most bolt-on modifications. It's the last engine management solution you'll ever need.

Supported Vehicles:

  • 2017-2018 Porsche 911 (991.2) Turbo PDK WM

  • 2017-2018 Porsche 911 (991.2) Turbo S PDK WM

  • 2018 Porsche 911 (991.2) GT2 RS

Cobb Tuning Calibration Notes

There is a new element to the ECU flashing process for vehicles supported by these three Accessports.  Just as COBB did over 10 years ago with it’s first ECU flashes, we will be bringing ECUs in-house in order to unlock them before an Accessport can be installed.  This means the process for installing an Accessport on your 718 or 991.2 vehicles will be a bit more involved than in years past.  Not to fret, we have a system in place to ensure ECUs are shipped and returned in a timely manner.  Customers will be updated at each step along the way, from the initial purchase to receiving the unlocked ECU and Accessport.

  • AP3-POR-012

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Maintenance

Porsche 993 Carrera 4S Scheduled Maintenance Service & Classic Radio Install

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This Porsche 993 Carrera 4S recently stopped by for us to install the Porsche Classic Radio Navigation System. Replacing the old factory unit, the Classic Radio has all the modern technologies such has Bluetooth, GPS Navigation, and a 3.5-inch touch-sensitive display, while having a period correct look to match early 911 through the 993-generation cars. While in our care, we performed all the scheduled maintenance services, alignment, new tires, and paint correction.