Hey guys, I have a 16’ focus st. Want a catless downpipe. Most of the ones I find are just the test pipe itself, on the engine the pipe is off the headers, will just a pipe bolt onto the stock headers or should I go for headers with pipe together? Tia

Hello everyone, I have bought a Focus ST MK3 pre-facelift 2012 a year ago and have been driving it since with great pleasure. I enjoyed it so much I decided to invest and modify the car to make it sound and behave better. I have put Focus RS Synchros, clutch and flywheel on it. Also changed the...

Has anyone replaced the tips on their stock exhaust? I was considering doing it as I'm taking my car to an exhaust shop for a res delete this Wednesday, and I was thinking about having the stock ones cut off and nice round ones replace them while I'm there. From my measurements a 2.5" inlet...

I've had this for a bit and just thought it was happening because it's 16° average around my area. Now it's a nice 41°, and while it's still cold I'm having smoke after she's nice and toasty. I did some of my own research and apparently it could be a head gasket, or just some oil from a bad...

Hey guys, I can’t decide for the life of me which exhaust catback system to go with... basically i’m looking to get louder, but not super loud and obnoxious. At the same time not too quiet, I want to keep some of those nice burbles and tone My too choices are the Borla and the Cobb catbacks. Can...

Hi!! I'm brand new here and JUST bought an ST1 a few days ago. I've always eyed up the STs and RSs on the road and I'm so happy I found one in magnetic! Best decision I've made. Long story short, I'd love for her to be louder. I don't need to sound raspy or like a track car, but hopefully I...

I’m playing with the idea of doing an exhaust cutout to bypass resonator/ muffler but have it tie back in to the exhaust after and come out the back instead of having the cutout dump under the car. It’s a 2014 FoST with a catless downpipe and Cobb catback. Has anyone ever done anything like this?

Installed my Ford performance exhaust recently, it’s very quiet when daily with not much throttle input. Loving the spiritual driving sound. Just having issues that when I was doing data logs, wot after 5500 rpm the exhaust will produce a very noticeable high pitch whistle. Exactly like a...

Hi I’m a new ST owner and not exactly sure where to start for mods. I know I want an AWE Track exhaust but does that mean I also have to put a new cold air intake first and an inter cooler ? I know very little about car mods but I want to learn. Can someone create a list of what I should start...

I recently purchased a 13' ST with roughly 83,000 miles and now have roughly 86,000 miles. I have a straight pipe from cat-back with a stock downpipe and experience an abnormal amount of soot on my hatch and bumper after each drive. I knew this would happen and have accepted it but would...

I currently have a 3" custom straight pipe catback, no resonators or mufflers, and a stock downpipe. I am considering getting a 3" catless downpipe. Does anyone have experience with a catless dp and straight pipe exhaust? Is it really that much louder than the stock downpipe?

Im looking to buy the AWE Track Edition For my 2014 and the problem I have is a mom at home who doesn’t like loud cars too much (I’m 17). Wondering if anyone out there who has an awe track could give me some info on how loud the exhaust really is. I really just need to keep it quiet for a block...

Currently on my ST I’m running an injen CAI, AWE track edition catback exhaust, and the turbo smart BOV. I’m wondering if I get a catless downpipe will I need a tune? Bc I’m running stock tune right now and want to keep it that way.

First time buying a Focus ST - Looking to upgrade my exhaust on my diesel 2017, cars had a stage one remap and is better, but I want a little extra noise! trying to find an exhaust to replace the muffler at the rear! Any recommendations? Or anywhere to go to get this done customly? Or any...

A. Item for sale/trade (Magnaflow Catback exhaust system. Part# 15155): B. Condition: Used - Good C. Price/What you want to trade for: $469 D. Location of item: Cherry Grove, SC E.

Hello, I just bought a 2016 Focus ST, I love in California and since moving Isn’t an option for now does anyone know if it is bad to do a catless DP and resonator delete? Could this hurt the engine in any way? I plan on doing minor upgrades like IC and intake but I don’t want a loud exhaust.

I recently got a custom straight pipe exhaust for the ST and I've noticed a lot of black spots stuck to my bumper. I'm curious to know if it's normal because of how little restriction there is now being there is no muffler or resonator and if its just black water from the engine, or residue from...

A. COBB Cat-Back Exhaust System Stainless Steel 3" for Focus ST 2013-2018 B. Condition: Very good condition, used for 1.5 years and only 10K miles All original hardware included: (2) original used 3" gaskets but in very good/reusable condition (1) new 3" gasket - with...

Hello I am wondering if I can achieve 300hp+ with my exhaust. Focus ST MK3.5 ST250 Current mods: Airtec intercooler 3"decat downpipe toyosports - 3" mid section with 16" length res and ready axle exhaust is oem 2.25" with back box delete. NGK irridium spark plugs GFB 60/40 recirc/blow off valve...

I have a 2013 Focus st with 40k miles FBO and a strange problem. When I engage the clutch from a stop on an incline or even sometimes on flat ground I get a grunting clunking noise from under the car. This sounds resonates through the center console leading me to believe its the inner CV joints...