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      10-02-2012, 11:33 AM   #1
Mr.Metak2you
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DINAN Exhaust Now Available for the 1M!

Just got the latest newsletter from DINAN last night. The welds, construction, design and price are spot on! Also available in ceramic black tips. I had the DINAN exhaust on my E90M3 and was extremely happy with it. This exhaust looks promising and thought I would share.

http://www.dinancars.com/shop/index....eries-M#page=1

Product Description

Dinan's free flow exhaust for the 1 Series M is sporty, just as it should be. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than stock. Improve performance by 6 horsepower and 5 ft-lbs of torque. 100% 20 gauge-304 stainless steel construction to resist corrosion for years to come. Built with exacting specifications to ensure that the system fits correctly using the factory hangers . Designed to provide maximum flow while keeping things civilized with the Hemholtz chamber design. The design features quad 3.25" ceramic black or polished aluminum tips for a tasteful high performance look.

Benefits of the Free Flow Exhaust:

+ Built specifically for the BMW 1 Series M

+ Less "drone" than stock

+ Enjoyably louder

+ Sportier Sound

+ 100% stainless steel construction

+ Bolt-on installation using high quality BMW OEM clamps

+ Quad 3.25" laser engraved exhaust tips

+ 6 HP @ 6600 RPM, 5 FT-LB @ 6600 RPM

+ Hemholtz chamber to remove drone

+ Tilger mount bracket to reduce vibration and improve longevity


Dinan Performance Exhaust FAQ

Does a louder exhaust make more power?
Not necessarily. A freer flowing exhaust makes more power by removing friction in the exhaust system but how loud an exhaust is has to do with its packing material and or routing. It is possible for a loud exhaust to actually make less power than a stock exhaust. The best exhaust is the one that is the freest flowing and has a noise level that you enjoy.

What makes an exhaust "hummm" under light throttle?
This sound is commonly called "drone". It is caused by resonance in the exhaust system and can quickly give you a headache. Drone is the toughest characteristic to remove from an exhaust system. The use of a "hemholtz" chamber to work as a noise canceling device is a great option along with the use of butterfly valves when needed.

How are Dinan exhausts made?
All Dinan exhausts are designed and hand built in California at the Dinan Headquarters. They are welded by hand using precise tools to ensue perfect fit. All are built from 20 gauge-304 stainless steel for strength and corrosion resistance.

Does the kind of steel used matter?
Yes. Your cars exhaust is subjected to the elements and other harsh conditions that occur under a car. The exhaust gets hit with gravel, salt, water, sand and whatever else is on the road. Using high quality stainless steel keeps corrosion at bay in this tough environment.

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