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RV6™ PCD™/Downpipe Kit for 9th gen 13+ Accord I4 (2.4L) Earth Dreams engine

Score: 4.48. Votes: 64

When you look at the O.E precat, you can easily tell it was designed to be made cheaply and to be mass produced. The components are stamped and welded with no consideration for turbulence or restrictions. This combined with 2 catalytic converters, causes the engine to be literally choked out of a good amount of power.We are working with Scott (Skaaat6MT) to do some dyno testing and to put up some solid numbers. Currently, we have had a prototype on the road for around 3 month running hassle free. We currently have an exhaust and mid pipe in the works.


In stock (830 items available)
  • $325.00
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  • Weight
    19.0000 lbs
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Product Description

Introducing the RV6® PCD®/Downpipe for the 9th generation Accord I4 Earth Dreams engine. The RV6® PCD®/Downpipe replaces the highly restrictive O.E pre-catalytic converter, with a free flowing contoured casting and 2.5” tubing.

RV6® has been manufacturing PCDs® for the V6 Hondas for around 5 years now. Over that time, we have obtained much experience on how to make PCDs® last. PCDs® are subjected to high temperatures and constant stresses from the twisting of the engine which are unlike conventional headers that distribute the stresses between several runners all of the stresses are concentrated on one area.

- 304 Stainless cast flange sections
- 304 Stainless 2.5” tubing
- TIG welded
- Argon purged welds for strength 

All necessary hardware for installation

RV6® will warranty the castings a welding for 24 months.

Processing takes an additional 7 to 14 days for ceramic coating.


RV6® Performance LLC products are sold for off-road use only. All performance modifications and installations are at the customers own risk. RV6® Performance LLC holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products. Items sold for off-road use only are illegal in many states and provinces and are intended for racing vehicles which may never be used on a public road.  

By purchasing any aftermarket performance product, the customer takes full responsibility for any use, and/or misuse of the product and agrees that RV6® Performance LLC holds no responsibility for any consequences, legal, or other, of such use and/or misuse.

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Score: 4.48. Votes: 64
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  • Hasham Khan
    Dec 28, 2017, 05:03 PM
    One of the best upgrades I have done to my Accord, I have noticed a definite increase in throttle response and love that deeper sound especially on the cold start. Install was very straight forward did not have any major issues removing the old nuts and bolts and installing the PCD was so easy. RV6 provided a new gasket and new hardware for the on the bottom of the cat which were rusted pretty well on the OEM cat. They also sent a lanyard, magnetic tool, license plate and a RV6 sticker. Very happy with my order will be ordering the tune from RV6 in the future, great company.

Honda Accord (I4) Earth Dreams 2013+