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HKS Downpipe

Reduction of secondary exhaust gas back pressure will improve response of turbocharger. EJ engines' common problem of knocking due to high exhaust gas pressure can be solved. Thus, it is recommended for safe performance upgrading.


It was developed based on long time know-how of turbo technology.
The connection portion with turbine is made by lost wax casting that enables flat surface between flange and pipe.
Improved exhaust efficiency without catalytic converter. (Off-road use only)
Whole front pipe will be changed from stock ?60 to ?75. It reduces secondary exhaust gas back pressure that is a common problem of EJ engines.
For improvement of exhaust efficiency, diameter of the pipe is ?75.
If it is used with the specified muffler (31008-BF001)(*), whole exhaust system will be ?75.
* Front Pipe and Muffler system set (31008-BF002) is available. (This item can be used with other exhaust systems. A Flange Adaptor is included to fit to ?65 spherical flange.)
Was: $560.00
Sale: $449.00
Save: 20%
Save: $111.00
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HKS Downpipe (33006-BF003)
Stainless Front Pipe
Size : 75mm



Shipping Information

  • Item Requires Shipping
  • 23.7 lbs.
  • W50.0000” x H15.0000” x L15.0000”
  • Free Shipping!

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