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27WON Performance Downpipe - All 1.5T Civic (incl. Si)
27WON Performance Downpipe - All 1.5T Civic (incl. Si)
27WON Performance Downpipe - All 1.5T Civic (incl. Si)

27WON Performance Downpipe - All 1.5T Civic (incl. Si)

Regular price
$642.71
Sale price
$642.71
Shipping calculated at checkout.

Unity Performance is the exclusive Canadian Dealer for all 27WON Performance Products in Canada! US folks, please continue to purchase through 27WON directly.

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The free flowing downpipe provides 7whp gains from 3200rpm to 5400rpm with no tuning changes. The 27WON Street-Catted setup provides great power gains. Throw some custom tuning at it and the downpipe really starts to shine.


Designed to work with all the OEM heat shields the 27WON down-pipe works best when paired with the benefits of the  larger and more free flowing front-pipe. Purchase them together and save over $100.

downpipe-laying-next-to-frontpipe-for-honda-crv-5th-gen

The free flowing downpipe provides 7 wHP gains from 3200rpm to 5400rpm with no tuning changes. The 27WON Street-Catted setup provides great power gains. Throw some custom tuning at it and the downpipe really starts to shine.

  • OEM downpipe = green graph
  • 27WON Street-Catted downpipe = red graph

dyno-graph-for-27won-downpipe-for-civic

The inlet and outlet of the 27WON Performance downpipe are CAD designed for optimal flow, durability, and fitment. The market leading 3.125” downpipe inlet creates a large volume for the hot exhaust gases to escape, providing increased turbocharger efficiency and response.

cad-drawing-of-w1-turbo-and-race-downpipe-for-l15

Inlet and outlet flanges are manufactured from investment cast T304 stainless steel. Stainless steel piping and brackets are precision TIG welded for a long lasting and durable performance downpipe.

80mm-cast-bellmouth

Precision TIG welding is utilized for the center section and the T304 SS heat shield brackets. The heat shield brackets are laser cut and formed with a multi-sided "foot" for a superior connection and durability.

super-clean-welds-on-performance-downpipe