1320 Performance 06-11 honda civic SI Tri-Y race header

1320 Performance 06-11 honda civic SI Tri-Y race header
Brand: 1320 Performance
Product Code: 1320-FD
Availability: In Stock
Price: $350.00
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1320 Performance 06-11 Honda civic SI  HEADER 
 



 

Applications: Direct bolt-on for all 06-11 Civic SI models include both 2-door coupe and 4-door sedan chassis.

Feature:

  • High quality 304 Stainless Steel
  • High Flow 2.5" merge collector with testpipe 
  • Tri-Y 4-2-1 with step collector design for best HP gain and ground clearance
  • 2-piece design for easy installation
  • will fit with Air Conditioning and Power Steering no modification required bolt on deal.
  • 10+ wheel horsepower on a stock k20z3 engine.
  • FREE HEADER GASKET AND DONUT GASKET NUTS AND WASHER.
  • 90 degree Defouler is included to take care the CEL issue with testpipe.
  • FREE ECONOMY SHIPPING TO THE LOWER 48 STATES. GUAM, HAWAII, ALASKA AND PR REQUIRE ADDITIONAL $15.00 SHIPPING FEE.

 

1320 Performance 8th Gen Civic SI Header was designed to increase performance and sound of the K20Z3 engine . The header was developed using a proven 4-2-1 Tri-Y design and our step collector design and smooth transitions that delivers power gains almost everywhere in the power band, not just the higher rpm range. Fitment past the subframe and sway bar is perfect with extra clearance available for engine movement.

We start with 44mm primaries that smoothly step into 50mm secondaries and finish with a 2.5 inch exit. Our header are mandrel bent and made from high quality 304 stainless steel tubing and is fully tig welded. We also use a slightly thicker gauge tubing than other manufactures to make sure our product last and we back it up with our 1 year warranty against manufacture defects. Our header directly replaces the OEM 2 piece design and eliminates the catalytic converter so we included a short 2.5" test-pipe with defouler for the secondary O2 sensor. (please check our other auctions we also carry the same header with high flow cat option for those like the extra power but don't want the smell associated with the test pipe)

 

Installation note: It is highly recommended to use a Hasport rear engine mount especially with higher mileage vehicles. The stock mount does not offer the support required to keep the engine movement to a minimum. 

 

****  HEADER IS INTENDED TO BE OFF ROAD USE ONLY NOT CARB LEGAL IN CALIFORNIA.




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remove the stock header and cat and undo the o2 sensor.

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loosen up the factory subframe bolt for easier installation.

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remove a bracket on rack n pinion to slide the header onto the engine.

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