cp-e QKspl Catted Downpipe Ford Focus ST 2013-2014

Exhaust Downpipes and Y-Pipes

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Part #: CPE-FDDP00002T

Following the same successful recipe they have used for their other downpipes, their Focus downpipe replaces the choked factory pipe and its restrictive cat. The result of their efforts is reduced backpressure, decreased turbo spool time, and improved dyno results – more than 5% gains.

Although more power and great sound are high priority items when buying a 3" downpipe, the fine details are what ensure that the product will satisfy the end-user for a lifetime:

Matching the stock turbo, their downpipe includes a CNC lathed V-Band flange for easy installation and stock compatibility. Their downpipe is crafted from premium "bright annealed" 304 stainless steel and is mandrel bent throughout for less turbulent exhaust flow. They have included three O2 bungs to accommodate the two stock O2 sensors, and to give the ability to easily add a wideband sensor. They offer an optional high flowing catalytic converter that features a metallic monolithic honeycomb catalyst designed for maximum flow and surface area.

Also helping to accommodate the stock mounting, cp-e™ has designed this downpipe to use the stock downpipe support mount by welding a laser cut stainless steel bracket onto each downpipe.

The most unique feature of this downpipe that certainly sets it apart from the rest is the exhaust exit end. cp-e™ has designed two separate ends to allow the user to buy one downpipe for any cat-back exhaust system. The user is able to slip on one end for the stock 2.50” cat-back exhaust, or switch out to the 3.00” end for an aftermarket cat-back exhaust. This adjustability allows this to be the last downpipe the user needs to buy, as opposed to buying separate downpipes for each setup. This adjustability isn’t the only benefit with this design though; by having a setup of this design the user can ensure that their exhaust gases are flowing into their exhaust with the least turbulent and most free flowing design available. This benefit adds to performance, and also helps prevent unwanted exhaust gas leaks that can come from improperly matching the transition joint into the cat-back exhaust. Lastly, both ends will be included with the downpipe in order to prevent the need for an additional purchase at a later date. Both ends include appropriately sized flanges that are 3/8" thick laser cut 304 stainless steel.

The downpipe comes complete with all necessary hardware required for a complete and professional installation, is made in the U.S.A, and includes a full lifetime warranty.


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

cp-e QKspl Catted Downpipe Ford Focus ST 2013-2014
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