Exhaust 11th gen Civic SI - Best Aftermarket Systems

The 11th generation Honda Civic Si is a well-rounded sports sedan that combines practicality with performance. However, for many enthusiasts, the factory exhaust system doesn’t quite capture the sporty spirit of the car. Upgrading to an aftermarket exhaust system is one of the most popular modifications, as it can significantly enhance the car’s performance, sound, and overall driving experience. In this article, we explore some of the best aftermarket exhaust systems available for the 11th Gen Honda Civic Si.


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exhaust systems

PRL Motorsports N1 Exhaust System

PRL Motorsports N1 Exhaust System

Technical Overview:

The PRL Motorsports N1 Exhaust System (Part number: PRL-HC11-EX-N1) is designed with both performance and sound quality in mind. Constructed from 16-gauge (.065") 304 stainless steel, this single-exit exhaust system features 3.00" mandrel bent tubing for optimal exhaust flow. This setup includes a resonator and a high-quality, densely packed muffler, both engineered to deliver an aggressive, yet controlled sound that eliminates the droning commonly found in other aftermarket exhausts.

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27WON Performance Front-Pipe Back Exhaust

27WON Performance Front-Pipe Back Exhaust

Technical Overview:

The 27WON Performance Front-Pipe Back Exhaust system (Part number: FE1-6-101-10) is crafted from 100% T304 stainless steel and is TIG welded for maximum durability. Designed specifically for the 2022+ Honda Civic Si and Acura Integra, this exhaust system respects the OEM look while providing a bold, head-turning growl. It is available as a front-pipe back system with a 2.5" front-pipe or as a complete turbo back exhaust system.

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ARK Performance DT-S Exhaust

ARK Performance DT-S Exhaust

Technical Overview:

ARK Performance is known for its high-quality exhaust systems, and the DT-S Exhaust (Part number: SM0609-0222D, PLM-HFE-DP-CAT) for the 11th Gen Civic Si is no exception. With a tip diameter of 4.5 inches and a pipe diameter of 3.0 inches, this exhaust system is built for both performance and aesthetics. The system is crafted from T304 stainless steel and features mandrel bends and an X-pipe for optimal flow and sound quality.

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Megan Racing Single Exit Exhaust System

Megan Racing Single Exit Exhaust System

Technical Overview:

The Megan Racing Single Exit Exhaust System (Part number: LW-CBS-HC22-DS) is designed for performance enthusiasts who want a straightforward, bolt-on solution that enhances engine performance without breaking the bank. Made from 100% T-304 stainless steel, this exhaust system features smooth mandrel bends and a straight-through glasspack muffler to improve exhaust flow and provide a sporty, yet mellow tone.

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REMARK Sports Touring (LINK LOOP) Catback Exhaust

REMARK Sports Touring (LINK LOOP) Catback Exhaust

Technical Overview:

The REMARK Sports Touring Catback Exhaust system features a unique LINK LOOP design (Part number: RK-C2063H-08T) that reduces exhaust restriction and produces a distinctive exhaust note. Made entirely from T304 stainless steel, this system is both lightweight and durable. The dual 4-inch exit slant cut tips give the car a more aggressive look, while the extended length of the exhaust pipes helps control the exhaust tone and loudness without relying on muffler canisters.

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Conclusion

Upgrading the exhaust system on your 11th Gen Honda Civic Si is one of the most impactful modifications you can make. Whether you're looking for an aggressive sound, improved performance, or a combination of both, the options listed above offer something for every type of enthusiast. From the cost-effective Megan Racing Single Exit Exhaust to the premium 27WON Performance Front-Pipe Back Exhaust, there’s an exhaust system to fit every need and budget.