do88 Performance BigPack for 991.1 Porsche 911 Turbo and Turbo S [BIG-200SV-Gen1/BIG-200SV-Gen1-179]

do88 Performance BigPack for 991.1 Porsche 911 Turbo and Turbo S [BIG-200SV-Gen1/BIG-200SV-Gen1-179]

The do88 Performance BigPack for the 991 Porsche 911.1 Turbo and Turbo S offers a comprehensive upgrade package that includes a motorsport-grade intercooler, a high-flow Y-pipe, and all necessary hoses and accessories for seamless installation. For those looking to maximize engine airflow, do88’s industry-leading inlet ducts can also be purchased as a complementary addition. Originally launched in 2018 with a tube-and-fin core, this intercooler kit has proven itself on builds exceeding 1000hp. In 2022, do88 elevated the design further by transitioning to a Garrett Bar & Plate motorsport-grade core, delivering even greater cooling performance and airflow. This package is designed to take your 911.1 Turbo or Turbo S to the next level of performance and reliability.

Improvements

• The updated do88 intercoolers deliver 13% higher airflow compared to the previous version, featuring a new, lighter air duct made from real prepreg carbon. While the core has been upgraded, the cast end tanks and accessories remain unchanged. These precision-designed end tanks distribute airflow evenly across the core, optimizing pressure drop and cooling efficiency. To accommodate the thicker core, a new upper ambient air guide was developed in a 3D-scanned environment, ensuring perfect fitment with vehicle-integrated air guides and the intercooler. The intercoolers feature 70 mm (2.75-inch) connections to eliminate bottlenecks and maximize airflow, complemented by new 3D-designed, CFD-tested hoses. High-temp material rated to 464°F is used for turbo outlet hoses, ensuring durability under extreme conditions. The carbon ducts include proper seals, directing all airflow through the core for maximum heat transfer efficiency. Despite their larger size and all-aluminum dense construction, the weight increase is modest—18.74lbs per intercooler compared to the OEM’s 6.83lbs. This weight difference is more than justified by the significant performance gains these intercoolers provide.

Performance

• The do88 BigPack delivers a significant reduction in intake temperatures, showcasing superior performance compared to OEM 991 units. Data collected using an AIM race logger during five consecutive full-throttle runs (30-155 mph) in a Stage 1-tuned Porsche 991 demonstrated a peak temperature reduction of 30.6°F. The tests were conducted without cooldowns, with the car in Sport Plus mode and the AC off. Initial runs were performed with OEM intercoolers, followed by a quick swap to do88 intercoolers and identical runs after a brief shakedown. Extensive development, including refining end tank designs and selecting an optimized core, resulted in an intercooler that excels in both heat transfer and airflow efficiency. Verified on the in-house Superflow SF-1020 Probench as a complete system—including intercoolers, hoses, and Y-pipe—the do88 BigPack demonstrates unmatched performance and reliability.

Y-pipe

• At the start of the development process for this product, considerable thought was given to determining the optimal design for a Y-pipe, resulting in a carefully engineered solution. The Y-pipe achieves excellent flow rates and low weight by combining mandrel-bent lightweight pipes with a high-quality, 3D freeform-designed cast joint. CNC-machined connections for the BOV and breather hoses are welded onto the cast section, ensuring both precision and durability.

Features

• Colder inlet air temperatures
• More air, reduced backpressure and increased airflow
• Premium, high-density motorsport bar and plate cores from Garret
• 3D freeform designed cast end tanks
• Custom carbon ambient air guides
• 63mm mandrel bent aluminum
• Y-pipe has two methanol injection connections
• Includes high quality silicone hoses and accessories

Applications

• Porsche 911 Turbo: 991.1 (2013-2015)
• Porsche 911 Turbo S: 991.1 (2013-2015)

Notes

• Please note that all products are built to order in the EU and shipped via international air express, however lead times are generally pretty fast
• Installation Instructions

About d088 Performance

do88, headquartered in Nykvarn near Stockholm and established in 2007, began as a distributor of universal silicone hoses and has since grown into one of the northern hemisphere’s largest suppliers in this category, shipping products globally. Initially focusing on Swedish brands like SAAB and Volvo, do88 expanded to develop model-specific parts that extend beyond hoses, including intercoolers, oil coolers, radiators, intake systems, and more for various car brands and models. All products are developed in-house, adhering to do88’s high standards for performance and quality. Known for a commitment to quality, proven performance, and strong customer support, do88 has earned a respected reputation in the auto parts industry.