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Product DetailGalleryWarranty
Active Autowerke E46 M3 Axle Back Exhaust System
Active Autowerke High Flow Exhaust E46 M3
Unleash horsepower without restrictions
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Designed specifically for the BMW E46 M3, the all-stainless steel Active Autowerke is
their most innovative cat-back exhaust to date.
Its precision-tuned straight-through design with in line resonators
offers an incomparable combination of power, sound and styling. Well
suited to both naturally aspirated and supercharged vehicles, this new
and revolutionary design employs inspired pipe routing and optimum
diameters to enable the Gen 6 to literally unleash horsepower without
restrictions.
Sporting the same classic 80mm tips like the earlier versions,
everything else about the Gen 6 is new. It’s lighter, stronger and more
robust – with a distinct sound unique to the generation.
Does it work? You bet it does. Performance gains of 5-7 peak rear WHP
can be expected. Is it really that free-flowing? Comparison dyno tests
were run on an E46 M3 with no rear exhaust vs. one with the Gen 4 system
installed. Zero power loss was measured with the Gen 6 in place. Like we
said, this thing is practically invisible!
But you can sure hear it. Just listen for the rich, low frequency tone
at idle to moderate RPMs. And the distinct, robust sound at higher RPMs
– validating Gen 6’s superb performance characteristics.
Sporting a newer, more rounded look; an aerodynamic fit; high-polish
finish and quad 80mm straight tips, this rig is considered by many
enthusiasts to be the sleekest, most aggressive exhaust around.
Installation is simple, utilizing all the stock mount points with no
rear valance mod required.
This product comes complete with full limited warranty.
Product Features
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Quad 80 mm stainless steel tips
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Polished 100% 304 stainless steel
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Distinct, sporty Gen 6 sound
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Proven to support over 600+ HP
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Dyno-tested to perform
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Large inlet pipes with super high-flow design
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Round curving muffler design for that aerodynamic fit
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Illustrated instruction manual
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Two year limited warranty with free tech support
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Easy bolt-on installation; factory-comparable
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Active Autowerke
Benefits
- 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
- Throatier and louder sound to
enhance your car overall
Installation Guide:
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Active Autowerke High Flow Exhaust E46 M3
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Active Autowerke High Flow Exhaust E46 M3
Tips |

Active Autowerke High Flow Exhaust E46 M3 |
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Active Autowerke Warranty
Active Autowerke
warrants its Stainless Steel Exhaust against rust-through. This exhaust
system also carries a two year warranty against defects in workmanship
and materials. Any “claimed defective” exhaust must be removed and
shipped to Active Autowerke at the buyer’s expense with proof of the
original purchase date. After inspection, Active Autowerke will, at our
option, repair or replace the defective product. All parts for which
repairs or replacements are made became the property of Active Autowerke.
Damages caused by abuse or altered in any way are not covered by this
warranty. This exhaust is tuned for high performance use and we do not
warrant sound quality. Active Autowerke warranties are not transferable
when ownership of the product or a vehicle on which it was originally
installed and sold. This warranty stated above is the only warranty,
expressed or implied, of this product. In no circumstances will Active
Autowerke be responsible for any consequential or incidental damages or
charges.
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