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2015+ F-150 Ecoboost MRT EcoFlow Cat-Back
MRT 304 Stainless Cat-back: 2015+ F150 #91K104
MRT Part# 91K104
Loudness: 6 Drone: 2 Performance: 8
2015 thru 2021 F150, Ecoboost SuperCab.
: None Required
Time to Install:
Retail Price: $1,319.99
Price with Options:
Usually Ships in 1 to 2 Business Days
Polished T304 SS Tips - Standard
Black Ops - Dual Tip Blackout [Add $100.00]
The F150 MRT EcoFlow Cat-Back has a loud, deep muscle car sound and is handcrafted in T304 Stainless Steel. This system includes 3" mandrel bent tube and dual 4" double wall, polished T304 stainless steel tips with beveled edges. This system is engineered for the best sound to match your vehicle and provides increased performance from increased exhaust flow. The EcoFlow Cat-Back is louder than the MRT ChamberFlow Cat-back for your F150. It has just enough exhaust presence with elevated sound to Get Noticed, plenty of opportunity to Feel the Performance and packaged in a design without excessive drone.
2015 thru 2021 F150, 3.5L Ecoboost SuperCab.
Hear the Difference
How does it sound? The Raptor MRT EcoFlow Cat-Back #91K104 has a loud, deep muscle car sound
Is there drone or resonance? The drone is noticeable but tolerable.
What if I step on it? Wide-open throttle increases exhaust loudness and tone to an aggressive performance sound.
Are you located close to Plymouth, MI and need your MRT aftermarket exhaust installed? Call MRT at 734-455-5807 to make an appointment today!
91K104: 15-20 F-150 Ecoboost MRT EcoFlow Cat-Back Sound Clip
What kind of steel is it made from? Corrosion-resistant T304 stainless steel.
Where is it made? Developed and handcrafted in-house at MRT facility in Plymouth, Michigan, USA.
How long is the Warranty?
Limited Lifetime Warranty
(See Warranty Page for Details)
Feel the Performance
What is the muffler design? Straight through design to provide maximum exhaust gas flow.
What is the tube diameter? A large 3" tube is used for reduced exhaust flow restrictions.
What are the performance gains? Reducing restriction and maximizing flow provides for noticeable gains.
What kind of tip is it? Dual 4" double wall, polished T304 stainless steel tips with beveled edges. .
What are my tip finish options? Stylish Polished Stainless Steel or Black Ops Matte Ceramic.
How do I get noticed? Great sound and great looks turn heads and get positive comments!
Can I install this myself? Yes, MRT engineers this Premium Exhaust System for a simple do-it-yourself (DIY) installation.
How long does it take to install? Installation time is about 1 hour and requires only common hand tools.
What is included? All necessary hardware included.
DIY installation for the backyard mechanic
T304 Stainless Steel for the best corrosion resistance
Engineered, designed and manufactured in the USA
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