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  1. #1
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    ar design BMW 320i / 328i / 428i N20 F-Chassis 4" Hi-Flo™ Catless Downpipes

    ar design BMW 320i / 328i / 428i N20 F-Chassis 4" Hi-Flo™ Catless Downpipes

    We are thilled to present our new F-chassis Hi-Flo™ Catless downpipe for the BMW N20 engine! In addition to an intoxicating and exotic sound, these downpipes add significant power and help eliminate turbo lag!

    Click here to enlarge


    Fitment for the following cars:


    • F30 320i Sedan
    • F30 320iX Sedan
    • F30 328i Sedan
    • F30 328iX Sedan
    • F31 328i Touring
    • F31 328iX Touring
    • F32 428i Coupe
    • F32 428iX Coupe
    • F34 328i Gran Turismo

    Our Hi-Flo™ 4" Catless Resonated Downpipes Feature:

    • Typical gains with tuning in the 20+whp range!
    • 100% hand crafted in the USA from premium 304 Stainless Steel - flanges and O2 bungs included!
    • CNC'd 304 Stainless V-Band flange.
    • 100% TIG welded, argon back-purged.
    • Available with a 2000°F ceramic coating. Coatings come with a 3 year warranty against corrosion and rust to original owner.
    • Lifetime warranty against any manufacturing defects given to original owner.
    • We do NOT grind/polish our welds as some other manufacturers do. Grinding welds compromises the strength of the weld, and can lead to weld failure! Especially critical in applications exposed to temperatures in excess of 1200°F. Such temperatures will also rapidly deteriorate the polished finish.

    More information on our Ceramic Coatings
    The coatings we offer are capable of withstanding temperatures of 2000°F. In addition they offer excellent chemical and corrosion resistance and possesses excellent thermal barrier characteristics, providing a dramatic reduction in radiated heat. This means reduced under-hood temperatures, accelerated exhaust gas velocity and a longer life expectancy for the downpipes.
    Ceramics stand above all other thermal barrier coatings currently being used in combustion chambers. Ceramics have characteristics shared by no other product, providing an unrivaled layer of thermal protection to piston tops, aluminum heads, stainless, iconel and titanium valves. Ceramics "move" heat, reducing detonation and increasing the effective oxidation of fuel. When polished, it provides a highly reflective surface that further aids in improved flame travel. Unlike previous ceramic coatings, ours is not subject to cracking and flaking, which can lead to extensive engine damage. In fact, Ceramic coatings actually strengthen the coated part. The cured "Cermet" provides a cap of material that can withstand far more heat. During testing when sufficient heat was applied to a piston to melt the aluminum, the Ceramic did not melt, rather it held the softer aluminum together.
    The Satin Ceramic Exhaust Coatings we offer are the most advanced exhaust system coatings available. They are a very durable ceramic-reinforced coating available in various shades. When properly applied, it becomes the most effective thermal barrier coating available, increasing performance while extending component life, and has been tested to over 2000°F without lifting, cracking or flaking.


    To purchase, please follow this link: http://www.ardesign.info/store/selec...downpipes.html
    Click here to enlarge
    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

  2. #2
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    Bump!
    Click here to enlarge
    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

  3. #3
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    Any dyno figures?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  4. #4
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    Non yet. Still waiting to have a local guy to hit the dyno for us (or non local - we'd be willing to cut you a deal on one of these!). However, we're expecting similar gains to our N54 sets (20+ whp bolt on).
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    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

  5. #5
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    Seriously, someone needs to hit a dyno with this thing.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  6. #6
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    ^ Agreed - we'd love to cut a deal to make this happen.
    Click here to enlarge
    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

  7. #7
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    Bump! We'll cut you a sick deal on these if you're willing to hit the dyno!
    Click here to enlarge
    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

  8. #8
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    Click here to enlarge Originally Posted by ar design Click here to enlarge
    Bump! We'll cut you a sick deal on these if you're willing to hit the dyno!
    Guys please PM or e-mail me to square your up your account after the ownership change. @ar design

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  9. #9
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    Working on it now! You'll hear from us ASAP.
    Click here to enlarge
    sales@ardesign.info | tel. 303.351.3515| www.ardesign.info
    Powering some of the world's fastest BMWs

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