Merge Collector 4 into 1 1.78In (47mm) ID 4In (102mm) OD 304 Stainless｜ Other Products

This DEA Performance 4-into-1 exhaust merge collector is a universal weld-on part in 304 stainless steel, merging four primary pipes into a single outlet — suited to custom header and exhaust fabrication.

Specifications

Type
4-into-1 merge collector

Inlet
1.78" × 4

Outlet
4"

Length
102mm

Material / finish
304 stainless steel

Please check before ordering: this is a universal weld-on part, not vehicle-specific — confirm the inlet and outlet sizes suit your build. Professional welding is recommended.

What's included

4-into-1 merge collector (MC4-178400-304B) × 1

Features

304 stainless steel construction
Merges four primary pipes into one outlet for smooth flow
Universal fitment for custom header and exhaust fabrication

About DEA Performance
DEA Performance exhaust components are designed and made in Australia, mandrel bent for optimum flow and made from aluminised or stainless steel for strong heat resistance and corrosion protection.

FAQ

Is this universal?
Yes. It is sold by inlet and outlet size rather than by vehicle, for custom header and exhaust builds.

How is it fitted?
It is a weld-on part designed to be fitted by a professional fabricator.

DISCLAIMER: DEA Performance parts and exhaust upgrades are intended for off-road and track use, unless otherwise stated. Customers are responsible for ensuring modifications comply with all applicable Australian laws and regulations.
Brand:DEA PerformanceSKU:MC4-178400-304BTags:Exhaust Collectors, Exhaust Parts