Hi-Flow Replacement Catalytic Converters
STILLEN high flow replacement catalytic converters for the Nissan 350Z, 370Z, Infiniti G35 Sedan, G37 Coupe and the 2014 Infiniti Q60. These are for the enthusiast that wants the best flow possible, while remaining environmentally responsible.
Though these converters are not CARB legal, they are a step above race or test pipes and will result in a less "raspy" tone. As high performance cats, some sound increase should be expected. STILLEN Hi Flow Catalytic Converters reduce emissions and unpleasant exhaust smells.Features and Benefits:
- Increased flow and efficiency
- Up to 9-10 Rear wheel horsepower
- Metallic Catalytic Converters - Pair
- Stainless Steel Construction - Spun Metallic Core
- Bolt-On Installation - Flanged for OEM Fitment
- Performance Increase of 9-10 whp / 8 FT Lbs. of Torque
- **Not For Sale In California** For Off-Road use only
- Some customer's report slight rasp sound
- A small percentage of customer's report SES lights turning on. O2 extenders should eliminate this issue.
- 2007-2008 Infiniti G35 - Sedan
- 2008-2013 Infiniti G37
- 2014-2015 Infiniti Q50
- 2014 Infiniti Q60
- 2007-2009 Nissan 350Z
- 2009-2014 Nissan 370Z
Free Shipping to the Lower 48 States.