A4 / S4 Exhausts

Borla 09-15 Audi A4 Quattro Base SS Catback Exhaust

Borla 09-15 Audi A4 Quattro Base SS Catback Exhaust $1,427.99 $1,598.99

Borla Cat Back system for 02-08 Audi A4 Quattro 2.0L 4cyl

Borla Cat Back system for 02-08 Audi A4 Quattro 2.0L 4cyl $1,588.99 $1,779.99

Milltek Catback Non-Resonated Audi A4 (B6) 3.0 Quattro / S4 (B6)

Milltek Catback Non-Resonated Audi A4 (B6) 3.0 Quattro / S4 (B6) Sold Out

Milltek Catback Non-Resonated Audi S4 (B7)

Milltek Catback Non-Resonated Audi S4 (B7) $1,229.00

Milltek Catback Non-Resonated Black Oval Tips (no Valves) Audi RS4 (B7)

Milltek Catback Non-Resonated Black Oval Tips (no Valves) Audi RS4 (B7) Sold Out

Milltek Catback Non-Resonated Black Oval Tips (with Valves) Audi RS4 (B7)

Milltek Catback Non-Resonated Black Oval Tips (with Valves) Audi RS4 (B7) Sold Out

Milltek Catback non-Resonated Black Oval Tips Audi S4 (B8) (2010-2012)

Milltek Catback non-Resonated Black Oval Tips Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback non-Resonated Black Quad Tips Audi S4 (B8) (2010-2012)

Milltek Catback non-Resonated Black Quad Tips Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback non-Resonated Black Quad Tips Audi S4 (B8.5)

Milltek Catback non-Resonated Black Quad Tips Audi S4 (B8.5) Sold Out

Milltek Catback non-Resonated Black Tips Audi A4 (B9) Quattro 2.0T

Milltek Catback non-Resonated Black Tips Audi A4 (B9) Quattro 2.0T Sold Out

Milltek Catback non-Resonated Burnt Titanium Tips Audi A4 (B9) Quattro 2.0T

Milltek Catback non-Resonated Burnt Titanium Tips Audi A4 (B9) Quattro 2.0T Sold Out

Milltek Catback Non-Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Automatic

Milltek Catback Non-Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Automatic Sold Out

Milltek Catback Non-Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Manual

Milltek Catback Non-Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Manual Sold Out

Milltek Catback Non-Resonated Jet Tips Audi A4 (B6) 3.0 Quattro / S4 (B6)

Milltek Catback Non-Resonated Jet Tips Audi A4 (B6) 3.0 Quattro / S4 (B6) Sold Out

Milltek Catback Non-Resonated Polished Oval Tips (no Valves) Audi RS4 (B7)

Milltek Catback Non-Resonated Polished Oval Tips (no Valves) Audi RS4 (B7) Sold Out

Milltek Catback Non-Resonated Polished Oval Tips (with Valves) Audi RS4 (B7)

Milltek Catback Non-Resonated Polished Oval Tips (with Valves) Audi RS4 (B7) Sold Out

Milltek Catback non-Resonated Polished Quad Tips Audi S4 (B8) (2010-2012)

Milltek Catback non-Resonated Polished Quad Tips Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback non-Resonated Polished Quad Tips Audi S4 (B8.5)

Milltek Catback non-Resonated Polished Quad Tips Audi S4 (B8.5) Sold Out

Milltek Catback non-Resonated Polished Tips Audi A4 (B9) Quattro 2.0T

Milltek Catback non-Resonated Polished Tips Audi A4 (B9) Quattro 2.0T Sold Out

Milltek Catback non-Resonated Valvesonic Black Oval Tips Audi S4 (B9) (non-Sport Differential)

Milltek Catback non-Resonated Valvesonic Black Oval Tips Audi S4 (B9) (non-Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Black Oval Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Black Oval Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Black Round Tips Audi S4 (B9) (non-Sport Differential)

Milltek Catback non-Resonated Valvesonic Black Round Tips Audi S4 (B9) (non-Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Black Round Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Black Round Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Burnt Titanium Tips Audi S4 (B9) (non-Sport Differential)

Milltek Catback non-Resonated Valvesonic Burnt Titanium Tips Audi S4 (B9) (non-Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Burnt Titanium Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Burnt Titanium Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Polished Oval Tips Audi S4 (B9) (non-Sport Differential)

Milltek Catback non-Resonated Valvesonic Polished Oval Tips Audi S4 (B9) (non-Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Polished Oval Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Polished Oval Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Polished Round Tips Audi S4 (B9) (non-Sport Differential)

Milltek Catback non-Resonated Valvesonic Polished Round Tips Audi S4 (B9) (non-Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Polished Round Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Polished Round Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback non-Resonated Valvesonic Titanium Round Tips Audi S4 (B9) (w/ Sport Differential)

Milltek Catback non-Resonated Valvesonic Titanium Round Tips Audi S4 (B9) (w/ Sport Differential) Sold Out

Milltek Catback Resonated Audi A4 (B6) 3.0 Quattro / S4 (B6)

Milltek Catback Resonated Audi A4 (B6) 3.0 Quattro / S4 (B6) Sold Out

Milltek Catback Resonated Audi S4 (B7)

Milltek Catback Resonated Audi S4 (B7) $1,499.00

Milltek Catback Resonated Black Oval Tips (no Valves) Audi RS4 (B7)

Milltek Catback Resonated Black Oval Tips (no Valves) Audi RS4 (B7) Sold Out

Milltek Catback Resonated Black Oval Tips (with Valves) Audi RS4 (B7)

Milltek Catback Resonated Black Oval Tips (with Valves) Audi RS4 (B7) Sold Out

Milltek Catback Resonated Black Oval Tips Audi S4 (B8) (2010-2012)

Milltek Catback Resonated Black Oval Tips Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback Resonated Black Oval Tips ValveSonic Audi S4 (B8) (2010-2012)

Milltek Catback Resonated Black Oval Tips ValveSonic Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback Resonated Black Quad Tips Audi S4 (B8) (2010-2012)

Milltek Catback Resonated Black Quad Tips Audi S4 (B8) (2010-2012) Sold Out

Milltek Catback Resonated Black Quad Tips Audi S4 (B8.5)

Milltek Catback Resonated Black Quad Tips Audi S4 (B8.5) Sold Out

Milltek Catback Resonated Black Tips Audi A4 (B8) S-Line

Milltek Catback Resonated Black Tips Audi A4 (B8) S-Line Sold Out

Milltek Catback Resonated Black Tips Audi A4 (B9) Quattro 2.0T

Milltek Catback Resonated Black Tips Audi A4 (B9) Quattro 2.0T Sold Out

Milltek Catback Resonated Burnt Titanium Tips Audi A4 (B9) Quattro 2.0T

Milltek Catback Resonated Burnt Titanium Tips Audi A4 (B9) Quattro 2.0T Sold Out

Milltek Catback Resonated Dual Black Tips Audi A4 (B8) 2.0T 2WD/Quattro Tiptronic (Requires S-Line Valance)

Milltek Catback Resonated Dual Black Tips Audi A4 (B8) 2.0T 2WD/Quattro Tiptronic (Requires S-Line Valance) Sold Out

Milltek Catback Resonated Dual Polished Tip Audi A4 (B8) Manual

Milltek Catback Resonated Dual Polished Tip Audi A4 (B8) Manual Sold Out

Milltek Catback Resonated Dual Tip Audi A4 (B8) 2.0T 2WD/Quattro Tiptronic (Requires S-Line Valance)

Milltek Catback Resonated Dual Tip Audi A4 (B8) 2.0T 2WD/Quattro Tiptronic (Requires S-Line Valance) Sold Out

Milltek Catback Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Automatic

Milltek Catback Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Automatic Sold Out

Milltek Catback Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Manual

Milltek Catback Resonated GT100 Tips Audi A4 (B7) 2.0t Quattro Manual Sold Out

Milltek Catback Resonated Jet Tips Audi A4 (B6) 3.0 Quattro / S4 (B6)

Milltek Catback Resonated Jet Tips Audi A4 (B6) 3.0 Quattro / S4 (B6) Sold Out

Milltek Catback Resonated Jet Tips Audi A4 (B7) 2.0t Quattro Manual

Milltek Catback Resonated Jet Tips Audi A4 (B7) 2.0t Quattro Manual Sold Out

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