9th Gen Honda Civic Si Performance Parts & Mods (2012–2015)

Upgrade your 9th Gen Honda Civic Si with premium performance parts from ModBargains. Built around the legendary K24 engine, the 2012–2015 Civic Si delivers serious tuning potential — and we carry the parts to unlock it.

From suspension and exhaust upgrades to wheels, intakes, and exterior styling, ModBargains is your trusted source for Civic Si performance mods that fit right and perform better.

Build Your 9th Gen Honda Civic Si Today

Whether you're starting with bolt-ons or planning a full performance build, ModBargains has the parts, expertise, and support to take your 2012–2015 Honda Civic Si to the next level.

Shop All 9th Gen Civic Si Mods

Popular 9th Gen Civic Si Mods

Intakes & Performance Upgrades

Improve throttle response and increase airflow with a high-performance cold air intake or short ram system designed specifically for the K24-powered Civic Si. Pair with upgraded motor mounts and performance components to maximize power delivery.

Shop Honda Civic Si Intakes

Performance Exhaust Systems

Unlock a deeper, more aggressive tone with a cat-back exhaust system built for the 9th Gen Civic Si. Improve exhaust flow while maintaining daily drivability.

Top brands include Invidia, Skunk2, Borla, AWE, GReddy, and MagnaFlow.

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Air Suspension & Handling Upgrades

Take advantage of the Si’s sport-tuned chassis with lowering springs, coilovers, sway bars, and adjustable suspension components. Achieve a more aggressive stance while improving cornering stability and responsiveness.

Shop Suspension

Wheels & Fitment Solutions

Complete your build with a properly spec’d wheel setup. We offer lightweight 17-inch and 18-inch performance wheels with aggressive offsets designed for flush fitment without rubbing.

Shop Exterior Mods

Why Buy Civic Si Parts From ModBargains?

Civic Si-specific fitment expertise
Performance-proven brands only
Competitive pricing and fast shipping
Real support from real enthusiasts

We don’t just sell parts — we help you build your Civic Si the right way.