Audi B6 S4 Cat Backs (04-05)
Seeking more power and a better sound for your B6 2004-2005 S4? Install a new cat-back exhaust from Modded Euros. We have Borla, MagnaFlow, and RSC exhausts to choose from. If you want that smooth, deep toned sound when you drive then you have to get one. These easy to install products are built to last, and are sure to improve the performance of your Audi.
-
![]()
CTS Turbo Audi S4 Cat-Back Exhaust (10-16 S4)
$1,399.99(3) -
![]()
034Motorsport Res-X Resonator Delete & X-Pipe (10-16 S4)
$430.00(1) -
![]()
AWE Tuning Non-Resonated Track Edition Exhaust (18+ S4)
$2,010.00(12) -
![]()
Magnaflow 2.5" Touring Cat-Back Exhaust (04-06 Audi S4 B6)
$1,546.00 -
![]()
Borla 3" Cat-Back Exhaust (00-02 Audi S4)
$1,120.99 -
![]()
AWE Tuning Track Edition Cat-back Exhaust - 90mm Tips (10-16 S4)
$1,235.00(2) -
![]()
AWE Tuning Track Edition Cat-back Exhaust - 102mm Tips (13-16 S4)
$1,340.00 -
![]()
Milltek Resonated Cat-Back Exhaust System w/Polished GT Tips (02-05 A4 3...
$1,444.00 -
![]()
Milltek Resonated Cat-Back Exhaust System w/Polished Jet Tips (02-05 A4 ...
$1,446.00 -
![]()
Magnaflow 2.25" Touring Cat-Back Exhaust (10-16 Audi S4)
$1,621.00 -
![]()
AWE Tuning Touring Edition Cat-Back Exhaust - 90mm Tips (10-16 S4)
$1,700.00(3) -
![]()
AWE Tuning Touring Edition Cat-back Exhaust - 102mm Tips (13-16 S4)
$1,910.00(1) -
![]()
Milltek 2.375" Non-Resonated Cat-Back Exhaust System w/Dual Cerakote Bla...
$2,499.00 -
![]()
Milltek 2.375" Non-Resonated Cat-Back Exhaust System w/Quad Polished GT ...
$2,541.00 -
![]()
Milltek 2.375" Non-Resonated Cat-Back Exhaust System w/Quad Cerakote Bla...
$2,851.00 -
![]()
MBRP Armor Pro Series 2.5" Resonator Bypass (10-16 S4, 10-17 S5 3.0T)
$349.99 -
![]()
AWE Tuning Touring Edition Exhaust (18+ S4)
$2,545.00 -
![]()
AWE Tuning Non-Resonated SwitchPath Exhaust (18+ S4)
$3,460.00 -
![]()
Milltek 2.25" Non-Resonated Cat-Back Exhaust System w/Polished GT Tips (...
$1,298.00 -
![]()
Milltek 2.25" Non-Resonated Cat-Back Exhaust System w/Cerakote Black GT ...
$1,412.00 -
![]()
Milltek 2.25" Non-Resonated Cat-Back Exhaust System w/Polished Jet Tips ...
$1,300.00 -
![]()
Milltek 2.25" Non-Resonated Cat-Back Exhaust System w/Polished Jet Tips ...
$1,392.00 -
![]()
Milltek 2.25" Non-Resonated Cat-Back Exhaust System w/Cerakote Black Jet...
$1,412.00 -
![]()
Milltek Resonated Cat-Back Exhaust System w/Cerakote Black GT Tips (02-0...
$1,558.00 -
![]()
Milltek Non-resonated Cat-back System (10-16 S4)
$2,645.00 -
![]()
Milltek Resonated Cat-back System (10-16 S4)
$2,945.00 -
![]()
Milltek 2.375" Valved & Resonated Cat-Back Exhaust System w/Cerakote Jet...
$4,682.00
