Sale

Exhaust Headers, Manifolds and Components

Mugen

4-2-1 Exhaust Manifold Header SUS304 Stainless Steel 45mm

$2,399.00 $2,110.70 Save $288.30

SKU: 18100-XGS-K0S0

In Stock
In Stock
Ships by Jul 31
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mugen Exhaust Manifold Header is a performance exhaust component designed with a 4-2-1 primary tube configuration for the Honda S2000 AP1 model. Constructed from durable SUS304 stainless steel, this header is engineered to optimize exhaust flow and enhance engine performance within the 6000-8000 RPM range. Its pipe diameter measures 45mm, and it has an average installation time of approximately 1.2 hours. It is important to note that fitment is not guaranteed for all applications, and buyers are advised to conduct their own research to confirm compatibility with their specific vehicle before purchase. After-sale support does not extend to installation assistance. Compatibility is listed for the Honda S2000 AP1 with the F20C engine, covering production dates from April 1999 to November 2005. The header weighs 6.4kg, compared to the OEM part's 10.2kg. An emblem is not included with this product. It is noted that this product is discontinued.

MIA's Description

The Mugen Exhaust Manifold Header is a 4-2-1 design header for the Honda S2000 AP1. Constructed from SUS304 stainless steel, it features a 45mm pipe diameter. The average installation time is estimated at 1.2 hours. It is optimized for an RPM range of 6000-8000.

The product is discontinued.

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

BrandMugen
Part Number18100-XGS-K0S0
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.

View Full Return Policy