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Installing a high flow downpipe is a quick way to pick up horsepower and torque. A downpipe will also give your Audi B5 S4 2.7T a sportier tone. All Milltek downpipes feature a bolt-on design and mate seamlessly with your factory or most aftermarket exhausts.
Product Details:
-Highest quality aircraft-grade 2.37" stainless steel
-Sharper throttle response
-Substantial weight savings
-Precision quality
-Reduced back pressure for max performance - no loss of low end torque!
-Great Sound even with factory exhaust!

Milltek Part Numbers
SSXAU368 - 2.37" Cat Delete Pipes