Audi 8V S3 Cat-Backs (2015-2020)
Do you need a cat-back for your 2015-2020 Audi 8V S3 to give it a more aggressive sound and add some horsepower? Look no further, because Modded Euros has an excellent collection of cat-back systems. Be sure to check out some of the high-quality brands we carry like AWE Tuning, Billy Boat Performance Exhaust, Magnaflow, and Remus. We carry quad tip, sport, and track edition variations. You’re sure to find exactly what you need.
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PopularOn Sale
CTS Turbo Resonator Delete Kit (15-19 Golf R, 15-20 A3 Quattro, 15-23 S3)
$149.99$127.49(1) -
On Sale
CTS Turbo 8V S3 Cat-back Exhaust (15-20 S3)
$999.99$849.99(3) -
MBRP Armor Plus Series 2.5" Resonator Bypass Exhaust (15-20 A3/S3, 15-19...
$119.99 -
AWE Tuning 3" Track Edition Cat-Back Exhaust (15-20 Audi S3)
$1,340.00(1) -
XForce 3" Stainless Steel Cat-back w/Varex Muffler & Smartbox (15-20 S3 ...
$1,597.50 -
Borla 3" S-Type Cat-Back Exhaust (15-20 S3)
$1,940.99(6) -
MBRP 3" Cat-Back Exhaust System (15-20 Audi S3)
$979.99 -
XForce 3" Cat-Back Exhaust w/Varex Muffler & Polished Stainless Tips (15...
$1,462.50 -
MBRP 3" Cat-Back Exhaust System W/Valves - Carbon Fiber Tips (15-20 S3)
$1,469.99(1) -
APR Cat-Back Exhaust System w/Valves (15-20 S3)
$2,499.95 -
034Motorsport Res-X Resonator Delete (15-20 A3/S3 Quattro, 15-19 Golf R)
$260.00 -
Neuspeed Cat-Back Exhaust (15-20 Audi S3)
$1,519.95 -
Unitronic Cat-Back Exhaust (15-20 S3)
$2,089.99(2) -
AWE Tuning 3" SwitchPath™ Cat-Back Exhaust (15-20 Audi S3)
$2,165.00 -
Billy Boat 3" Cat-Back Exhaust - Quad Tip (15+ S3)
$1,550.94 -
aFe MACH Force-Xp 3" to 2 1/2" Cat-Back Exhaust w/Carbon Fiber Tips (15-...
$1,578.00 -
Milltek 3" Non-Resonated Non-Valved Cat Back W/GT100 Tips (15-20 S3)
$1,758.00 -
Milltek 3" Resonated Non-Valved Cat Back W/GT100 Tips (15-20 S3)
$1,955.00 -
aFe MACH Force-Xp 3" to 2 1/2" Cat-Back Exhaust w/Polished Tips (15-20 S3)
$1,480.00 -
aFe MACH Force-Xp 3" to 2 1/2" Cat-Back Exhaust w/Black Tips (15-20 S3)
$1,578.00 -
Milltek 3" Resonated Non-Valved Cat Back W/Oval Tips (15-20 S3)
$2,143.00 -
Milltek 3" Valved Non-Resonated Cat Back w/GT100 Tips (15-20 S3)
$2,555.00 -
Milltek 3" Valved Non-Resonated Cat Back W/Oval Tips (15-20 S3)
$2,743.00 -
Milltek 3" Resonated Valved Cat Back W/GT100 Tips (15-20 S3)
$2,752.00 -
Milltek 3" Resonated Valved Cat Back W/Oval Tips (15-20 S3)
$2,940.00