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Polished stainless steel 4-2-1 exhaust manifold header with sensor bungs

Dyno Racing

Dyno Racing Stainless Steel 4-2-1 Exhaust Manifold Header for 88-00 Honda Civic D-Series

SKU CH-KPHZ-ME3TJ

Stainless-steel 4-2-1 header with two sensor bungs fits 88-00 Civic, 88-91 CRX and 93-97 Del Sol D-series SOHC engines

  • Exhaust typePipes & Tips
  • High-quality stainless steel construction resists corrosion for long service life
  • 4-2-1 JDM racing design improves exhaust flow and scavenging
  • TIG-welded CNC-machined flange ensures precise fit and leak-free sealing
  • Two O2 sensor bungs included maintain factory emissions monitoring
  • Direct bolt-on fit for 88-00 Civic, 88-91 CRX and 93-97 Del Sol SOHC engines

Product identity

The Dyno Racing stainless steel 4-2-1 exhaust manifold header is built for 88-00 Honda Civic, 88-91 CRX, and 93-97 Del Sol models equipped with a D-series SOHC engine. Polished stainless construction, TIG-welded CNC-machined flange and a 1.75-inch inlet stepping to a 2.00-inch outlet are paired with two O2 sensor bungs and a metal gasket in the box.

Who this suits and who it does not

Builders running a single-cam D-series who want a bolt-on header with proven flow gains will find the fitment and hardware match their needs. Owners of dual-cam D-series engines, B-series swaps or any non-listed chassis cannot use this manifold without custom fabrication.

Deciding specification

The 4-2-1 JDM racing design with 1.75-inch primary tubes merging to a 2.00-inch collector is the single specification that determines whether this header matches the exhaust flow targets of a stock or mildly modified SOHC D-series build.

Specifications

More details
Exhaust typePipes & Tips

Questions about this item

Should I pick this 4-2-1 header or a different style for my D-series Civic?

The 4-2-1 layout is built for mid-range torque on single-cam D-series engines from 88-00 Civics, CRX and Del Sol models.

What does the claimed 10-15 hp gain actually mean once the header is bolted on?

It reflects a peak increase measured on a stock SOHC D-series; real-world gain depends on tuning, exhaust routing and engine condition.

How do the 1.75" primary and 2.00" collector diameters affect flow and fitment?

Those dimensions match the factory exhaust ports and downstream piping on the listed Honda applications, so the header bolts up without adapters.

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