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Stainless steel exhaust header with four primary tubes merging into a single collector, polished silver finish, flange ends visible

Dyno Racing

Dyno Racing Stainless Steel Exhaust Header 1.7 Civic DX/LX 01-05

SKU CH-FVNP-K70QA

Stainless steel exhaust header for 01-05 Honda Civic 1.7 DX/LX models, T304 construction with 1.50-inch inlet and 2.00-inch outlet for 15-20 hp gains

  • Exhaust TypePipes & Tips
  • Direct-fit for 01-05 Civic DX/LX 1.7
  • T304 stainless steel resists corrosion
  • 15-20 hp and torque gain claimed
  • 50 in inlet to 2.00 out flow path
  • 100 % new header set includes all pipes

Compatibility and Construction

This stainless steel exhaust header fits 01-05 Honda Civic DX and LX models with the D17 1.7 engine. It is manufactured from T304 stainless steel and features 1.50 inch inlet and 2.00 inch outlet dimensions. The design aims to increase high flow air for a claimed gain of 15 to 20 horsepower and torque. Professional installation is highly recommended.

Intended Buyers and Exclusions

This part suits owners of base model Civics seeking a bolt-on header upgrade made from corrosion resistant material. Buyers with EX or Si trim levels should look elsewhere because the header does not fit those variants. Shoppers who need included installation instructions or a complete cat back system will not find them here.

Critical Fitment Constraint

The single specification that decides fitment is the model restriction to DX and LX trims only for the 01-05 Civic range. EX and Si models are explicitly excluded from compatibility. Verify the vehicle trim before purchase to ensure the header matches the exhaust layout.

Highlights

  • Direct-fit for 01-05 Civic DX/LX 1.7
  • T304 stainless steel resists corrosion
  • 15-20 hp and torque gain claimed
  • 50 in inlet to 2.00 out flow path
  • 100 % new header set includes all pipes

Specifications

Exhaust TypePipes & Tips

Questions about this item

What bolt pattern and port spacing does the 1.50" inlet flange use to mate with the D17 cylinder head?

The header is built for 01-05 Civic DX/LX models with the D17 1.7 engine; the 1.50" inlet flange matches the factory head bolt pattern and port spacing for those applications.

Which step do DIY installers most often miss when fitting the header to the D17 engine?

Re-using the old exhaust manifold gasket instead of fitting a fresh one causes leaks; a new gasket must be used and the flange bolts torqued in sequence.

How long does the T304 stainless steel construction typically last before corrosion or cracking requires replacement?

T304 stainless resists rust far better than mild steel; under normal road use the header usually lasts the life of the vehicle unless damaged by impact or extreme heat cycling.

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