Exhaust Exhaust Pipes, Systems and Components

Ktuned

3-Inch 304 Stainless Steel Downpipe

$424.99

SKU: KRH-9TH-K24

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The K-Tuned Downpipe Header is a 3-inch exhaust component designed for the 2012-2015 Honda Civic Si.

Constructed from mandrel-bent T304 stainless steel, it features a wide bellmouth inlet and a two-piece bolted design for secure assembly. This downpipe includes a vibrant flex pipe for durability and performance, along with two O2 bungs for easy accessory integration. It is offered exclusively in a non-catalytic converter version, intended to maximize power output.

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

BrandKtuned
Part NumberKRH-9TH-K24
CategoryExhaust

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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