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Exhaust› Exhaust Pipes, Systems and Components
Invidia
3-Inch Catalyzed Downpipe w/ 200-Cell Cat
SKU: CHD-1701C
Moderate — 2–4 hours
Overview
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Vehicle Symptoms
- Check engine light on
- Decreased engine power
- Failed emissions test
- Rattling noise from under car
- Sulfur smell from exhaust
Diagnostic Codes
- P0420 – Catalyst System Efficiency Below Threshold (Bank 1)
Relevant Conversations
- P0420 code fix Subaru WRX
- Invidia CHD-1701C downpipe review
- How to install downpipe on WRX
- Catted vs catless downpipe for daily driver
- Check engine light after downpipe installation
- Best downpipe for 2015+ WRX
- Subaru WRX downpipe upgrade gains
- Downpipe replacement for failed catalytic converter
- Will a downpipe pass emissions test
- Does Invidia downpipe require tune
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Invidia |
| Part Number | CHD-1701C |
| Category | Exhaust |
Videos
JDMYARD FK8 Type R - Invidia R400 Catback Exhaust
LOUD! Honda Civic Type R FK8 w/ Invidia Q300 1080p
![Installing Full exhaust on FK8 (Invidia R400) [UZENI215]](https://img.youtube.com/vi/dWxYXdbHWww/hqdefault.jpg)
Installing Full exhaust on FK8 (Invidia R400) [UZENI215]
My 2021 Civic Type R FK8 Sport Line with INVIDIA Exhaust & PRL INTAKE | LISTEN TO THAT TURBO SOUND!
FK8 invidia r400 sound clip
Civic Type R PRL , Invidia 3" Exhaust
Invidia Q300 Honda Civic Type R
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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