MBRP Cat-Back Exhaust System XP Series 3" Fiesta ST 2014-2019

100% of 100


  • Up To 10HP & 13 Ft. Lb Torque
  • Stainless Steel Construction
  • Stylish Dual Polished Tips
  • Deep Aggressive Exhaust Note
MSRP $679.40
You save 19%

MBRP 3" XP Series Cat-Back Exhaust System for all 2014, 2015, 2016, 2017, 2018 and 2019 Fiesta STs.

Give your 2014-2018 Fiesta ST that little extra kick with MBRP's all-new 3" XP Series cat-back exhaust system (S4202409)! This performance cat-back exhaust for the 2014-2019 Fiesta ST is a direct, bolt-on replacement and has shown an increase of up to 10 horsepower and 13 ft/lbs. of torque during MBRP's extensive dyno testing.

Features and Benefits:
- 3" Mandrel-Bent T-409 Stainless Steel Tubing
- Stylish Dual Tips
- High-Durometer Insulators
- Includes All Necessary Hardware and Instructions
- Increases Horsepower and Torque
- Deep, Aggressive Exhaust Note

MBRP's Fiesta ST cat-back exhaust is designed with a single muffler towards the front of the system and 3" mandrel-bent tubing that leads to a pair of eye-catching tips that exit in the stock location. This Fiesta ST exhaust system not only looks great, but it sounds great too! MBRP chose the perfect muffler assembly for the newer Fiesta ST as it gives off a rich, powerful note that really compliments the turbo sound.

The XP Series cat-back from MBRP is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This system's rugged 16-gauge T-409 stainless steel construction can be counted on to withstand everything from rocks, tar, grime and even salt during those long winter months.

MBRP has more than 15 years of experience in the performance exhaust industry. MBRP began by creating what became the best selling performance snowmobile silencer of all time, then, by popular demand, expanded into many other markets, including diesel and gasoline automotive exhausts. Today, MBRP is one of the leaders in performance exhaust technology and offers dozens of products for many models, including the Ford Fiesta ST.

Order this upgraded MBRP (S4202409) 3" XP Series Cat-Back Exhaust System for your 2014, 2015, 2016, 2017, 2018 or 2019 Fiesta ST from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Installation Videos

Video Transcript

It's easy to make an argument that the Fiesta ST might be one of the best performance bargains currently on the market. It's got great power, a very capable chassis, and killer brakes right from the factory. In my opinion, stock for stock, it's actually even more fun to drive than it's big brother the Focus ST. The one place the Fiesta is lacking is the exhaust tone, because honestly from the factory, you can barely even hear these cars running. We're very happy with the MBRP System we installed on the Focus ST, so today we're going to install their Cat-Back system on our Fiesta ST. MRBP System's going to bump your Fiesta ST up to a full 3 inch system. It features mandrel bent stainless steel, going through one of their straight-through style mufflers to a pair of polished 3 1/2 inch tips. Finished installation need a lift, or a jack and jack stands, 3/8th ratchet, 15 millimeter deep socket, 8 millimeter allen key, short extension, and safety glasses.

Our Fiesta ST had a previously installed aftermarket exhaust system that we already removed. If you're working with a factory exhaust, you want to cut it right here before the rear sub frame, and then simply remove it from the hangers. We're going to start with the muffler assembly up front here to the factory downpipe. Before that, remove the factory rubber isolator. MBRP actually goes the extra mile and gives you a nice heavy duty set to replace the factory ones. Now, we'll start hanging the muffler assembly. First, put a little bit of spray in the hanger to make it go in a little bit easier. Now, let's install the supplied gasket on the factory studs. Use the factory supplied nuts with the washers supplied by MBRP. Muffler supporter, we can remove the second isolator back here, and install the new one from MBRP. Now, we'll put one of the supplied clamps over our muffler, and we'll install the mid-pipe.

We're going to leave the muffler clamp loose for now, and put the S-pipe up into place. You want to grab one of your clamps. Once we have the S-pipe fitted with proper clearance, then we need to tighten everything down. Now, we're going to work on the actual tailpipe itself. Again, we'll start by removing the factory rubber hangers. Now, we'll put the new hangers on our tailpipe before we try to install it. We'll put our clamp up into place first, and then take the tailpipe over the rear sub frame. Once the tailpipe's on, we can put the hangers onto the factory locations. Then we can tighten down the tailpipe, and we'll move on to the exhaust tips.

Last up now is to install the polished tips. See, when you get them on the tailpipe, you can adjust how far you want it to stick out. Then you can tuck them pretty good, and put them all the way back in. Also, make sure you have proper clearance around your valence, and then you can tighten it up. We want to adjust the tips and adjust the pipes, if necessary, to make sure everything clears and your installation is finished. Now, we really know you care about is how it sounds. Let's fire it up. A nice, deep, aggressive tone, we combed it up from MBRP. It sounds great on our Fiesta ST.

Vehicle Fitment

This product will fit the following Fiesta years:

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