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Long-Tube Headers

Long primary tubes into a merged collector: the header format for engines without a turbo to carry.

A long-tube header gives each cylinder a long primary tube before the runners merge, which is the layout that suits an engine with no turbocharger: the exhaust pulses are spaced by the tube length, and the collector gathers them into a single outlet per bank. In this range the format is built in SS304 throughout, flanges included, on the same fixtures and welding benches as the turbo manifold line.

Pair of stainless headers with flex sections
Header production in SS304.
  • Long primary tubesRouted for scavenging
  • Merged collectorOne outlet per bank
  • SS304 throughoutFlanges included
  • Documented fitmentAudi S4/S5 3.0 TFSI

The Documented Application: Audi S4 and S5 3.0 TFSI

The catalogue's long-tube example is the header set for the Audi S4 and S5 on the 3.0 TFSI engine — a car whose factory manifold is compact, and where a long-tube layout is developed from the original part's scan data so the tubes route through the space the engine bay actually offers. It stands in the catalogue as the format's worked example: flange program, tube routing and collector position all derived from the application, not adapted from a generic pattern.

Other applications are added by the development routes — sample, data or on-car — and the inquiry reply classifies your application honestly as production, adaptable or development.

How Long-Tube Headers Are Built Here

The build sequence mirrors the manifold family: scan the original, machine the flange to the port profile, bend and fixture the tubes, TIG weld, then face the flange and check the assembly against the fixture. Finishes are brushed, mirror polished or ceramic coated, specified on the order.

Because the tubes are long, packaging and shipping are part of the specification conversation for wholesale programs: header sets are bulky, and the quotation stage is where packing format is agreed.

Ordering Against an Application

Headers are ordered by application, not by dimension: send the vehicle and engine. The confirmation covers the flange program, the collector outlet position and the finish, and states the production status of your application before anything is quoted.

Continue With

  • Exhaust Manifolds & Headers

    One family, two jobs: turbo manifolds that carry the turbocharger, and headers that scavenge a naturally aspirated engine.

  • Headers vs Exhaust Manifold

    Same job, two constructions: the cast manifold and the fabricated header, compared on construction and application.

  • Turbo Manifolds

    Steam-pipe construction, machined flanges, collectors built three ways — the turbo manifold line inside the manifold family.

Ask about long-tube headers for your vehicle

Send your vehicle, engine and model year. The long-tube headers options that fit are confirmed first, then quoted with finishes and hardware.

Send an Inquiry