Flowmaster's American Thunder cat-back exhaust system for the 2013-2018 Ford Focus ST hatchback is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt on Dual Out Rear emissions legal system for the 2.0L L4 turbocharged engine features a specially tuned muffler and resonator, 2.25 inch mandrel bent stainless steel tubing, and 3.25 x 3.75 inch oval polished stainless steel tips. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Features:
Lifetime Limited Warranty
Great Performance Sound
Dyno Tuned For Maximum Performance
Stainless Steel Construction
Specs
2WD/4WD
FWD
Brand
Flowmaster
Emission Code
5
Exhaust Series
American Thunder
Exit Position
Dual Out Rear
Heat Shield
No
Inlet Diameter (in)
2.25
Material
409 Stainless Steel
Muffler Part Number
Kit Only
Muffler Quantity
1
Muffler Series
Tuned Resonator
Outlet Diameter (in)
2.25
Product Type
Exhaust System
Single Dual
Single
Sound Level
Aggressive / Moderate
System Type
Cat-back
Tip Diameter (in)
3.25 x 3.75
Tip Length (in)
7
Tip Quantity
2
Tubing Diameter (in)
2.25
California Proposition 65 Chemical Name
Chromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Required
Yes
Part Number
817637
Emissions
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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