Borla Cat-Back Exhaust for 2012-15 BMW 335i / 435i [F30/F32] S-Type / ATAK (140579 / 140580)

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T-304 Stainless Steel Cat-Back™ System

BORLA Cat-Back™ exhausts feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Borla Cat-Back Exhaust for 2013-15 BMW 335i / 435i [F30/F32] S-Type (140579)

Model Year(s) Product Type Style p/n
BMW 335i/435i [F30/F32] AT/MT RWD 2013-15 Cat-Back System ATAK
BMW 335i/435i [F30/F32] AT/MT RWD 2013-15 Cat-Back System S-Type

Borla Cat-Back Exhaust for 2013-15 BMW 335i / ActiveHybrid3 [F30] ATAK (140513)




What is a Cat-Back Exhaust?
A cat-back exhaust replaces the exhaust system behind the primary catalytic converter. A cat-back exhaust usually offers a little less performance improvement than does a more comprehensive exhaust upgrade, but eliminating the pipes behind the cat still pays large rewards! A cat-back system also is just as impressive on the outside as a full exhaust and tells the crowd you mean business.

- Replace restrictive factory muffler
- Enlarge the rear-most pipes
- Reduce the number and severity of bends in the system
- Weight reduction from stock muffler in most cases
- A better looking exhaust tip
- Polished muffler
- Beefy pipes
- Throatier and louder sound to enhance your car overall


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