RF 4-1 STYLE D-SERIES HEADER  

Description:

Due to popular demand of many customer asking us to make a proven power D series header and this is our answer. The design was founded on the most popular B series RF header with its proven power 4-1 design now you can use this technology on your D series. 

(4-1 Design)  4 tube merge into a 2" collector flange and the second piece expend the 2" collector to a 2.5 flange this is how the RMF style header is deigned and this is why it make the power and torque. This header is design for all D series engines with proven 9-14hp gain 
Feature: 

• 304 Stainless Steel in 18 gauge thickness
• High Flow 2.5" merge collector 
• 4 to 1 tubing design 
• 2-piece design for easy installation
• Good Ground Clearance
• It will fit with Air Conditioning and Power Steering 
• 9+ wheel horsepower on a stock D16z6 in a civic hatchback with no electronic tuning
• FREE HEADER GASKET AND DONUT GASKET  
• 4 way adjustable Test pipe 
• FREE ECONOMY SHIPPING TO THE LOWER 48 STATES. 
• PO BOX, APO address, GUAM, HAWAII, ALASKA AND PR REQUIRE ADDITIONAL $15.00 SHIPPING FEE (please choose USPS priority mail shipping service).

Fits:CARS BELOW WITH B SERIES SWAP. 

• 1992-2000 Civic
• 1993-1997 honda del sol
• 1988-1991 Honda CIVIC CRX (crossmember modification required or use aftermarket traction bar) 
• **** Must use either the 2.5 inch testpipe or the 2.5 inch flange (included) to connect to your exhaust or cat. 

**** For obd2 cars 96+vehicle you will need a o2 sensor extended because the secondary cat has been removed. you can buy that in my other auction. eBay item number: 280979349411

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

PICTURES BELOW ARE THE ACTUAL HEADER YOU WILL RECEIVE WE ONLY HAVE LIMITED QUANTITY ON HAND