Product images and videos 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.
Exhaust› Exhaust Pipes, Systems and Components
Invidia
Invidia 06+ Civic Si 4dr Q300 Titanium Tip Cat-back Exhaust
SKU: I007 HS06HC4G3T
Moderate — 2–4 hours
Overview
Designed as a direct OEM replacement, this exhaust system includes all necessary gaskets and hardware for a straightforward installation. The Q300 aims to improve horsepower, torque, and throttle response while providing a smooth exhaust flow.
Show original supplier description
Part #: HS06HC4G3T
Vehicle Symptoms
- Exhaust drone at highway speeds
- Restricted engine power or throttle response
- Stock exhaust feels too quiet or restrictive
- Rust or corrosion on original exhaust pipes
- Desire for deeper, sportier exhaust note
Relevant Conversations
- 2006 Honda Civic Si exhaust upgrade recommendations
- Invidia Q300 cat-back exhaust sound clip
- Civic Si cat-back exhaust install difficulty
- Best exhaust for 2008 Civic Si MUGEN
- Invidia Q300 vs Greddy Evo 2 Civic Si
- Civic Si exhaust drone issues after install
- Honda Civic Si performance exhaust gains
- Invidia Q300 titanium tip review
- 06 Civic Si cat-back exhaust gaskets needed
- Civic Si exhaust system under $1000
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 | I007 HS06HC4G3T |
Videos
INSTALLING MY NEW EXHAUST! | Invidia Q300 for Honda Civic Si (FA5)
2006-2011 Civic Si Invidia Q300 Exhaust - PURE SOUND
HQ Sound | Invidia Q300 Catback Exhaust | Civic Si Fa5 (Use Headphones for Best Representation)
Invidia Q300 Install 8th gen SI
Honda Civic Si Exhaust - Invidia Q300 with Skunk 2 Alpha Race Headers
8th gen civic si with invidia q300
Civic Si Sedan Invidia Q300 Full Catback Exhaust
New Exhaust For My Civic Si | Invidia Q300
INVIDIA Q300 INSTALL! NO MORE INVIDIA N1!!
BEST exhaust for the Civic Si? Invidia q300 for 2006-2011 8th Gen
2006-2011 Honda Civic Si Exhaust - Invidia Q300 + Hybrid Racing + Skunk2
Invidia Q300 v stock exhaust! 8th Civic Si.
How To Install Invidia Q300 on an FG4/FB6 Civic Si
2011 Civic Si Invidia Q300 Exhaust.
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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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