SKU: 23425424646

Invidia Gemini Cat-Back Exhaust w/Ti Burnt Tips - 2017-21 Civic SI Sedan

$629.75 $699.72
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Description

Invidia Gemini Cat-Back Exhaust w/Ti Burnt Tips - 2017-21 Civic SI SedanThis is Invidia's new high performance Gemini Cat Back Exhaust System for the 2017 21 Honda Civic SI. This is a performance oriented exhaust system with titanium burnt tips. Designed to increase horsepower while producing an aggressive sound. Invidia Gemini cat back exhaust systems will provide your vehicle with a pronounced exhaust note throughout the entire RPM band, and the design improves performance from the increased piping diameter, to the

This is Invidia's new high performance Gemini Cat-Back Exhaust System for the 2017-21 Honda Civic SI. This is a performance-oriented exhaust system with titanium burnt tips. Designed to increase horsepower while producing an aggressive sound.

Invidia Gemini cat-back exhaust systems will provide your vehicle with a pronounced exhaust note throughout the entire RPM band, and the design improves performance from the increased piping diameter, to the smooth bends that reduce exhaust flow under acceleration. This means that you will have improvements in throttle response, and you will have increases in both horsepower and torque. 

This is a great exhaust system for those of you who enjoy the occasional weekend track day, or who enjoy the spirited drive. With the stainless steel tip finish, this exhaust system will look great on the exterior of your vehicle.

Exhaust hangers are welded onto the OEM locations of this exhaust system so you don't have to worry about making further modifications to the body. New hardware and gaskets will be included with this exhaust system to make it ready for installation. 

Features

  • Cat-back stainless steel exhaust system
  • Increased piping diameter with smooth mandrel bends
  • Connects all the way to the primary downpipe
  • Includes a total of 3 mufflers and 1 mid-pipe resonator
  • Main tubing diameter: 2.75" 
  • Tip outlet diameter: 4" 
  • Exhaust hangers welded onto OEM locations for direct fitment
  • Improves throttle response
  • Increases horsepower
  • Aggressive exhaust note
  • Machine welded - Fantastic appearance and uniform strength

Vehicle applications: 2017-21 Civic SI Sedan (4 Door)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 23425424646

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4.4 ★★★★★
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A
Verified Purchase
Asiyah
Pawtucket, US
★★★★★ 5
Perfect
Color: Black
The Lamicall Car Headrest Tablet Holder (3-in-1 Extendable) is exactly the adulting hack I didn’t know I needed until now. If you’ve ever tried to hold a tablet for a kid on a long ride and felt your arm turn into jelly, this thing is your escape plan. Setup is painless. It snaps onto the headrest in seconds and stays put like it actually wants to work. No wrestling with screws or an instruction manual written in ancient hieroglyphs. Stability is legit. Once the tablet is locked in, it doesn’t wobble, jiggle, or threaten to fall — even when someone in the backseat is basically auditioning for an earthquake simulation. That peace of mind alone makes this worth it. The 3-in-1 extendable design is slick. Adjust it for different viewing angles and distances so everyone (yes, even the seatmate who insists on leaning sideways) gets a great view. Landscape? Portrait? Gaming? Movie time? Covered. Build quality feels solid and durable, not like something that’ll snap after a few uses. It works with a range of tablet sizes too, so you aren’t limited to one device. Overall, this holder just works exactly how you want it to. Five stars because it’s practical, sturdy, and actually makes life easier — especially when peace in the backseat is on the line.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
M
Verified Purchase
Mariah
Battle Creek, US
★★★★★ 5
perfect for road trips
Color: Black
my sister lives 3 hours away, and being that i usually travel by myself with 2 small children, it's sometimes hard to keep them entertained for the trip. my husband bought this for me to keep in my car in case i need it and it has absolutely come in handy a few times. it's super sturdy, it fits perfectly behind my seat without taking up too much space or making my daughter feel cramped. it's challenging to use while driving when it's directly behind you but it does swivel close enough that you're able to do some things on the screen. however it does make it SUPER simple when you're in the passenger seat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
M
Verified Purchase
M. Chevett
Louisville, US
★★★★★ 5
Used for 3 years, buying again!
Color: Black
Bought 2 of these 3 years ago. One of them just broke (a crucial plastic piece snapped so not fixable). But with the low price and the countless road trips we’ve used these on I feel I’ve gotten my moneys worth. Purchasing again. 5 stars.
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Reviewed in the United States on May 28, 2026
E
Verified Purchase
Emily O
Lexington, US
★★★★★ 4
Works ok. But not for thick cases
Color: Black
Works ok so far. Not good for thick tablet cases. Like foam ones or protective ones for kids.
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Reviewed in the United States on May 6, 2026
A
Verified Purchase
Ashley Penland
Charlottesville, US
★★★★★ 5
Simple, easy, great!
Color: Black
10 out of 10 would recommend. We used it in our spring break trip and it was great. Held not only our kids iPads but phones as well. It was easy to install, not too expensive and for us it helped prevent car sickness which hits us all sadly. The fit was nice because it was adjustable, and the fact that the kids didn’t have to hold them for as great! This product was seriously the Best purchase I think I’ve done.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026

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