The COBB 2016+ Subaru WRX STi Hard Pipe Kit – Hot Side does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 716500-H, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• T-Bolt Clamps: Stainless steel construction applies even tension to prevent leaks under high-performance conditions.
• Bolt-On Design: Precision fitment requires no trimming or modifications, compatible with stock turbo and intercooler.
• High-Temperature Silicone Couplers: Reinforced 4-ply design provides secure, flexible seals that withstand extreme boost pressures.
• Black Wrinkle Powder Coat Finish: Resists corrosion, thermal cycling, and underhood heat for long-term durability.
• Mandrel-Bent 6061-T6 Aluminum Tubing: 2.75-inch diameter ensures constant smooth bends and minimal turbulence for maximum boost retention.
• CNC-machined prototypes ensure exact OEM-match fitment.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 716500-H. Calibrations, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, tools, and companion components are included only when expressly stated for this exact part number.

About COBB

COBB develops engine-management, intake, cooling, exhaust, drivetrain, suspension, and vehicle-accessory products for supported performance platforms. Correct selection remains exact-vehicle, exact-configuration, exact-interface, and exact-part-number specific.

Related COBB Products

• Cobb 04-07 Subaru WRX / STI Front Mount Intercooler Hot Pipes
• Cobb 08-14 Subaru WRX STI Front Mount Intercooler Hot Pipes
• Cobb 15-21 Subaru WRX FMIC Hot Pipe Kit

Browse the COBB collection for related tuning, intake, cooling, exhaust, drivetrain, and chassis products.

Frequently Asked Questions

Why is fitment verification required for this COBB product?
Exact vehicle application evidence is not complete enough for safe YMM. Confirm the vehicle, drivetrain, factory equipment, calibration, emissions eligibility, interfaces, and exact part number before ordering.

Are all supporting parts included?
Only components expressly listed for the exact manufacturer part number are included. Tuning, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, and companion components may be separate.

Is tuning or calibration required after installation?
Requirements depend on the exact product and vehicle. Intake, fuel, boost, turbo, and engine-management changes may require a compatible calibration before operation.

Installation Instructions

Follow the current COBB and factory service instructions for this exact part number. Verify fitment, factory equipment, emissions eligibility, required calibration, software and firmware, interfaces, hardware, fluid or electrical connections, and clearances before installation. Inspect the completed work and confirm safe operation before full-load use.