Nissan Micra K10 4-2-1 Performance Exhaust Manifold

Our Nissan Micra K10 Performance Manifold is a fully TIG-welded stainless steel 4-2-1 exhaust manifold, designed for customers looking to improve exhaust flow and performance over the original manifold.

The 4-2-1 configuration is designed to favour a broader powerband with improved low and mid-range performance, making it particularly well suited to daily-driven, fast-road and naturally aspirated performance builds.

Each manifold is manufactured from stainless steel, TIG welded and fully back purged during fabrication to provide clean internal welds and excellent long-term reliability.

Please note: This manifold is NOT a direct-fit exhaust system component. Fabrication work is required to connect the manifold to your existing exhaust system. Please read the fitment information below before ordering.

Features

• Stainless Steel Construction
• Fully TIG Welded
• Back Purged for Improved Weld Quality & Reliability
• 4-2-1 Performance Design
• Designed for Improved Low & Mid-Range Performance
• 2" Slip-Joint Outlet
• Suitable for Custom & Modified Exhaust Systems
• Optional O2 / Lambda Sensor Boss
• 12-Month Warranty*

4-2-1 Performance Design

A 4-2-1 manifold combines the four primary exhaust runners into two before merging into a single outlet.

Compared with a typical 4-1 design, a 4-2-1 configuration generally favours a broader and more usable low-to-mid RPM powerband, rather than concentrating its benefits towards the upper end of the RPM range.

For this reason, we consider the 4-2-1 design particularly well suited to road-going, fast-road and daily-driven K10s, where usable performance throughout the rev range is generally more beneficial than chasing outright high-RPM performance.

Important – This Manifold is NOT Direct Fit

This manifold does not connect directly to the factory K10 exhaust system.

The manifold terminates with a slip-joint designed to accept 2" exhaust tubing and an appropriate exhaust clamp.

Your existing exhaust system will therefore need to be modified or a suitable link pipe fabricated during installation.

Do not weld the exhaust system directly to the manifold.

The slip-joint has been incorporated to allow the exhaust system to be connected while retaining some separation between the manifold and the remainder of the system. Welding directly to the manifold will void the 12-month warranty.

Professional installation and fabrication are strongly recommended.

MA10 & MA12 Engine Clearance

Please be aware of the differences between the MA10 and MA12 engines when ordering.

Due to the difference in engine deck height, when fitted to an MA12 engine the manifold may sit extremely close to, or potentially foul, the lower engine sump.

Additional clearance or modification may therefore be required when installing this manifold on an MA12-equipped vehicle.

Customers using an MA12 engine should take this into consideration before purchasing.

O2 / Lambda Sensor Boss

By default, this manifold is manufactured without an O2 / Lambda sensor boss.

If your installation requires an oxygen sensor boss, please request this using the checkout notes box when placing your order.

Road Use Notice

Depending on the vehicle's original specification, fitting an aftermarket performance manifold may alter or remove factory emissions-control equipment.

This product is not intended for use on public highways and is intended for off-road, motorsport, competition, development or testing applications where permitted by applicable law.

Professional installation by a suitably qualified technician is recommended.

12-Month Warranty*

This product is warranted to the original purchaser against defects in materials and workmanship for a period of 12 months from purchase.

Our obligation under this warranty is limited to repair or replacement, at our discretion, where inspection confirms a manufacturing or material defect.

The warranty does not cover damage or failure resulting from physical impact, misuse, incorrect installation, inadequate exhaust support, excessive movement or stress, modification, ceramic coating, exhaust wrap or other external causes.

Welding directly to the manifold outlet will void the warranty.

GizFab Motorsport Developments is an independent aftermarket manufacturer and is not affiliated with, sponsored by, approved by or endorsed by Nissan Motor Co., Ltd.