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2004 Audi A6 Gas Saving Products

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Rick Audi 99 A6

Reviewed By Rick P (PHILADELPHIA, PA) Reviewed for a 1999 Audi A6 —8/8/2014 8:39 PM

Very nice product. Car runs a lot better than the regular filters.

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The first thing I buy for all my cars

Reviewed By Timothy G (NEW KENSINGTON, PA) Reviewed for a 2012 Audi A6 —5/2/2014 6:14 AM

With the increased performance and fuel efficiency, this low cost upgrade that lasts a lifetime is the smartest and easiest purchase you can make for any car. With the ease of a direct replacement, you can not go wrong.

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Flowmaster American Thunder 817479 Review

Reviewed By Bill L (Port Jefferson Station, NY) —8/29/2015 5:10 PM

I purchased this cat back system for a 2013 Dodge Challenger RT. The mechanic had no issues installing this system and everything went smoothly. The system reuses the OEM exhaust tips and keeps a nice stock appearance. I haven't driven the car enough yet but can say that there is definetly noticeable interior resonance right around 2000 rpm just like Flowmaster states. At other rpms the system has a nice deep rumble and cruising in overdrive at steady speed it's almost as quiet as stock.

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