Finish off your Audi A4 Exhaust System with a Blitz Universal Muffler.  The Blitz Universal muffler is super versatile and can be used in the fabrication of most any custom exhaust system.  The unit consists of a canister and tip to be welded up to the custom piping of the new/existing exhaust.  Sound levels are monitored through the diameter of the piping and with the effective use of the resonator.  The quality of the Blitz Universal Muffler is second to none and they perform as well as they look.  Not only are Blitz Universal Muffler set ups nice to look at they also will make any Audi sound great.  You will love the way a Blitz Exhaust Sytem Universal Muffler will finish off your custom exhaust and how it will sound on your car (Please consult your local tuner or muffler shop for advice on sound level tuning).  All Blitz Exhaust systems use factory mounting points and hangar locations.  It is a perfect balance of appearance, power and durability from the stainless steel construction with the show quality shine/finish.  The specialty design of this Blitz Universal Muffler has a larger diameter mandrel bent piping has no reduction of the inner diameter at the bend areas.   Since the piping retains its diameter ultimate exhaust flow is achieved when compared to crush bent piping.  Another very impressive feature of Blitz exhaust system muffler is the quiet tone with the silencer on, and its aggressive tone with the silencer removed, which is also available here at A4Tuner.com. Performance increases vary by application (gains of 5 - 20 horsepower are average). The Blitz exhaust system muffler is designed for maximum performance, improved appearance, and an aggressive tone.  The Blitz Universal Muffler is the perfect addition to your performance tuned Audi A4 (also fits other European car makes and models, please inquire for details).