80mm Turbo Inlet Pipe

The 27WON Turbo Inlet Pipe is the largest diameter inlet pipe available for the 1.5T powered Civic and Integra, measuring a full 80MM. This one-piece design replaces the restrictive factory "pancake" shaped inlet pipe with a smoothed and elongated exterior surface that creates a seamless path for airflow. Crafted from A356-T6 aluminum, it offers high strength, light weight, and a premium aesthetic for your engine bay. The design includes relocating the EVAP nozzle to the back using OEM style fittings for a sleek appearance. Multiple finishes are available, including a natural raw aluminum option that can be custom painted or powder-coated in textured black for a stealth look. While the inlet pipe performs well as a standalone upgrade, it truly shines when paired with other performance modifications such as a turbocharger upgrade or Front Mount Intercooler (FMIC). Testing with the 27WON Gin Ball Bearing turbo and 91 OCT fuel showed immediate average gains of 6 WHP and 4 WTQ, with a peak of 11 WHP. Further optimizing the tune with the TIP resulted in gains of nearly 26 WHP and 15 WTQ across the entire RPM range. This turbo inlet pipe is compatible with 2022+ 1.5T Honda Civic Si and Non-Si trims, as well as all 2023-2025 1.5T Acura Integra trims. It works with both 6-speed manual and CVT transmissions, and can be fitted with the OEM Honda Airbox, the 27WON SRI, or the 27WON CAI (Hybrid). It is also compatible with the PRL HVI Intake System using a specific 4-ply coupler.