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Yonaka 2012-2015 Honda Civic (Si) 4DR Sedan 3" Catback Exhaust
Yonaka 2012-2015 Honda Civic (Si) 4DR Sedan 3" Catback Exhaust
 
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MSRP USD: $959.00
Sale Price USD: $699.00
Save $260.00!
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Stock Status:(Out of Stock)

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Availability:: Preorder - estimated ship date September 2026
Product Code: YMCB-CIV1215-SI-4DR

Description
 

Honda Civic 2012-2015 4DR Catback Exhaust (Si only)
(fits the 12-15 Si sedan 2.4L only)

Fits:
2012 Honda Civic Si Sedan 4-Door (2.4L)
2013 Honda Civic Si Sedan 4-Door (2.4L)
2014 Honda Civic Si Sedan 4-Door (2.4L)
2015 Honda Civic Si Sedan 4-Door (2.4L)

This Yonaka Motorsports catback exhaust system is made of fully polished stainless steel, with 3" OD mandrel bended piping, and a 4" tip. Expect a quiet, clean, deep hum, without that irritating mid range raspy sound.

Direct bolt-on fit to OEM. All installation hardware is included.

Disclaimer: Recommended for off-road use only. Check with your local ministry of transportation in regards to exhaust regulations.

Warranty: 1 year


Average Customer Review: Average Customer Review: 4.5 of 5 4.5 of 5 Total Reviews: 20 Write a review.

  0 of 0 people found the following review helpful:
 
5 of 5 Just the Right Amount of Sound December 19, 2025
Reviewer: Thomas McDade from Kent, WA United States  
Having a Cat-less downpipe makes these cars very loud but the Yonaka cat back has quieted it down a lot and after a retune from my modified stock exhaust i picked up 5hp on the top end. Wish I'd got this exhaust sooner.

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  0 of 0 people found the following review helpful:
 
5 of 5 Love it! December 27, 2024
Reviewer: Michael Woods from Madison, NC United States  
I'm am very pleased with the product. I purchase, it has the sound I wanted!  Looks great and preform, perfectly.

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  0 of 0 people found the following review helpful:
 
5 of 5 June 17, 2024
Reviewer: jose piña from Urbana, IL United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 As Advertised March 8, 2024
Reviewer: Steve from Hatfield, PA United States  
I am very pleased with my purchase. It was well packaged for shipping. It has very sturdy construction. It came with everything you need to install. Installation was a breeze. The look is very subtle. It doesn't have that giant-pipe-shoehorned-into-the-car look. Very stock-like.  I don't think I would describe it as quiet, but it certainly doesn't have that obnoxious raspy sound of most aftermarket exhausts. It has the deep exhaust note I was looking for. I highly recommend it.

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  0 of 0 people found the following review helpful:
 
5 of 5 Straight bolt-on February 10, 2024
Reviewer: kristopher becker from North Grosvenordale, CT United States  
Perfect cat-back bolt-on exhaust, no mods needed

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