Induction

Induction

RBC Throttle Body Adapter Plate
2012-2015 Honda Civic Si
The OEM 2012-2015 Honda Civic Si (9th Generation) intake manifold has 3 vacuum ports. When installing an RBC intake manifold,...
PTFE Thermal Intake Manifold Gasket
K-Series
The HRD PTFE Thermal Intake Manifold Gasket is a custom CNC cut gasket, made out of premium PTFE (Polytetrafluoroethylene), commonly...
Modular Vacuum Block
Universal
Vacuum lines on a turbocharged or supercharged setup can turn into an unorganized mess fast. The HRD Modular Vacuum Block...

The HRD Touch

Perfect Fit & Finish

All of our induction components are precision machined to our exceeding standards, guaranteeing no surprises on install-day and a look that's unmistakeably HRD.

Titan Frost Ti

We include our iconic Titan Frost Ti hardware with both our RBC Throttle Body Adapter Plate and Modular Vacuum Block, giving you the signature HRD aesthetic you're after.

Best Way to RBC Swap

Our RBC Throttle Body Adapter Plate and PTFE Thermal Intake Manifold Gasket pair perfectly together when conducting an RBC swap, giving an aesthetic-forward solution with maximum performance.

Engineering Perfection

Our induction components are designed with the same mindset we apply across our entire product line: precision first, purpose always. Every part in our induction collection exists to solve a real engineering problem, whether that is restoring proper vacuum functionality when upgrading manifolds, managing heat transfer at critical interfaces, or organizing boost and vacuum signals in high-output engines. Material choice, machining accuracy, sealing strategy, and long-term reliability are all treated as non-negotiables. If a component interfaces with airflow, pressure, or temperature, it must perform consistently under stress and integrate cleanly into the system as a whole.

This philosophy is reflected in how we approach details that are often overlooked. Thermal behavior is managed intentionally rather than assumed. Sealing is engineered for fluctuating pressures and heat cycles rather than static conditions. Modularity and serviceability are built in so future changes do not introduce chaos. Form is considered only after function is resolved, resulting in components that look as composed as they perform. The HRD induction lineup is not about adding parts for the sake of modification. It is about refining the system until it operates with clarity, efficiency, and confidence, exactly as it should.