Unleash sharper response and stronger mid-range in your 2016-2021 Acura NSX NC1 3.5L Twin-Turbo V6 and 2022-2023 Acura NSX Type S 3.5L Twin-Turbo V6 with Redstar Heat Shielded Downpipes. This performance exhaust upgrade replaces the restrictive OEM downpipe assemblies to free exhaust flow where it matters most. Purpose-built for turbocharged NSX applications, it is the ideal foundation for owners seeking a decisive downpipes upgrade from Redstar.

By lowering backpressure and improving gas velocity, these downpipes cut turbo lag for quicker spool and crisper throttle input, translating to easier access to power and torque across the rev range. Redstar's OEM-style thermal management is available to reduce radiant exhaust heat by up to 80%, helping manage under-bonnet temperatures and supporting turbo longevity while refining overall drivability and sound character.

Engineered for reliability and clean integration, each system is 100% TIG welded and back purged from 2.0mm wall 304 stainless steel for long-term durability. True bolt-on fitment keeps installation straightforward, while high-flow catalyst options include HJS HD 200cpsi or GESI GEN2 400cpsi to suit your goals. Choose Redstar downpipes for your Acura NSX when you want proven construction quality, optimised flow, and a precise, performance-first exhaust solution.

Available Options

• HJS HD 200cpsi Catalytic Converters: Engineered in Germany and trusted worldwide, the HJS 200cpsi ultra high-performance cats are rated for over 1000hp. Renowned for exceptional flow, durability, and consistent quality, these converters set the benchmark for high-output applications. Ideal for drivers demanding maximum performance without compromise.
• GESI GEN2 400cpsi Catalytic Converters: The latest GEN2 series from GESI is rated to support up to 1000hp while offering smoother exhaust flow and improved efficiency compared with factory units. Featuring advanced emissions technology for optimal catalyst function at high flow rates. A strong choice for those seeking significant performance gains with refined operation.
• OEM-Style Heat Shielding: Redstar's signature thermal management system reduces radiant exhaust heat by up to 80%. Developed with motorsport-inspired materials and construction, it uses a multi-layer design of ceramic insulation and embossed stainless steel foil. Unlike wraps or coatings that degrade quickly, Redstar shielding delivers long-term durability and consistent protection for engine bay components.

Key Performance Benefits

• Noticeable power and torque gains from reduced exhaust backpressure
• Faster turbo spool and more immediate throttle response
• Lower engine bay temperatures for improved component protection
• Improved exhaust tone with a richer, more engaging character
• True bolt-on installation for straightforward fitment
• Supports turbocharger longevity by managing heat more effectively

Technical Specifications

• Constructed from highest quality 2.0mm wall 304 stainless steel
• 100% TIG welded and back purged for strength and clean internal finish

Fitments

• 2016-2021 Acura NSX NC1 3.5L Twin-Turbo V6
• 2022-2023 Acura NSX Type S 3.5L Twin-Turbo V6