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Invidia

Invidia 17+ Honda Civic SI Sedan Gemini Triple Titanium Tip Cat-back Exhaust

$1,999.20 $1,399.44 Save $599.76

SKU: I007 HS17CS47GM3ST

In Stock
In Stock
Ships by Aug 1
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: HS17CS47GM3ST

MIA's Description

This is Invidia's high-performance Gemini Cat-Back Exhaust System for 2017-2021 Honda Civic Si Sedans. It features triple titanium burnt tips and is designed to increase horsepower while producing an aggressive sound. Key features include increased piping diameter with smooth mandrel bends, three mufflers, one mid-pipe resonator, and exhaust hangers welded onto OEM locations for direct fitment.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandInvidia
Part NumberI007 HS17CS47GM3ST

Videos

Invidia Gemini Cat Back exhaust installation - 2017 Honda Civic Sport Hatch

Invidia Gemini Cat Back exhaust installation - 2017 Honda Civic Sport Hatch
FINALLY Getting my DREAM EXHAUSTi!! Invidia R400 Gemini INSTALL 10th Gen Civic Si

FINALLY Getting my DREAM EXHAUSTi!! Invidia R400 Gemini INSTALL 10th Gen Civic Si
Invidia R400 Exhaust Install | 2018 Honda Civic Si

Invidia R400 Exhaust Install | 2018 Honda Civic Si
2020 Honda Civic Si with Invidia R400

2020 Honda Civic Si with Invidia R400
2017 Honda Civic Si Coupe with Invidia r400 catback exhaust

2017 Honda Civic Si Coupe with Invidia r400 catback exhaust
Top 5 Exhausts for 2017+ Honda Civic SI

Top 5 Exhausts for 2017+ Honda Civic SI
10th Gen Civic SI ( Stock Exhaust Vs Invidia R400 ).

10th Gen Civic SI ( Stock Exhaust Vs Invidia R400 ).
Invidia Gemini Cat Back on my FK7

Invidia Gemini Cat Back on my FK7
🔥 Invidia R400 Catback Exhaust on 10th Gen Civic Si | Review & Sound Clips

🔥 Invidia R400 Catback Exhaust on 10th Gen Civic Si | Review & Sound Clips

Buy with Confidence

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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