~ Active Exhaust System 3" Stage 1
Part Number: HYAES-30KS1Universal 3 inch Stage 1 Active Exhaust System
Suits all makes and models
~ Active Exhaust System 3" Stage 2
Part Number: HYAES-30KS2Universal 3 inch Stage 2 Active Exhaust System
Suits all makes and models
~ Active Exhaust System 3" Stage 3
Part Number: HYAES-30KS3Stage 3 Active exhaust System (AES)
ADVANTAGES OF THIS CONCEPT:
1) The exhaust is much quieter for the majority of driven time with no drones.
2) Reduces NOX.
3) Catalytic converter heats up quicker and maintains a higher temperature which results in better average emission performance.
4) Better mid-range performance in normally aspirated, performance engines.
~ Active Exhaust System 4" Stage 1
Part Number: HYAES-40KS1Universal 4 inch Stage 1 Active Exhaust System
Suits all makes and models
~ Active Exhaust System 4" Stage 2
Part Number: HYAES-40KS2Universal 4 inch stage 2 Active Exhaust System
Suits all makes and models
~ Active Exhaust System 4" Stage 3
Part Number: HYAES-40KS3Stage 3 Active exhaust System (AES)
ADVANTAGES OF THIS CONCEPT:
1) The exhaust is much quieter for the majority of driven time with no drones.
2) Reduces NOX.
3) Catalytic converter heats up quicker and maintains a higher temperature which results in better average emission performance.
4) Better mid-range performance in normally aspirated, performance engines.

