Looking for aftermarket parts to modify or upgrade your Audi S4 with coilovers? At Tunersports.com we carry a huge selection of the top name brand performance coilover parts and accessories.

SHIPS FROM MANUFACTURER ACU-A2106SYou want to get the best road balance for everyday use? Than 5100 STREET NCO SUSPENSION is a perfect option for you. Maximize grip by controlling rebound and right height of your car. These coilovers include springs and are designed to run OEM top mounts. This AST design incorporates coilovers for t... AST 5100 Series Shock Absorbers Coil Over Audi A4 B8 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $3,708.00 |

OUT OF STOCK 47-119444Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality, direct fit package. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility to find t... Bilstein B14 Audi S4 (8E) K4 Performance Suspension System (May Req. OE 8E0412377C) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $1,239.00 |

OUT OF STOCK 48-086165Bilstein B16 (PSS9) suspension kits feature ride height adjustability with 9-stage manually adjustable dampers in an OE quality, direct fit package. The 9-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits o... Bilstein B16 2001 Audi S4 Base Front and Rear Performance Suspension System 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant $2,369.00 |
OUT OF STOCK 48-105958Bilstein B16 (PSS9) suspension kits feature ride height adjustability with 9-stage manually adjustable dampers in an OE quality, direct fit package. The 9-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits o... Bilstein B16 2004 Audi S4 Base Front and Rear Performance Suspension System 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $2,399.00 |
IN STOCK 48-147231Bilstein B16 (PSS10) suspension kits feature ride height adjustability with 10-stage manually adjustable dampers in an OE quality, direct fit package. The 10-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kit... Bilstein B16 2009 Audi A4 Quattro Avant Front and Rear Performance Suspension System 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $2,699.00 |
IN STOCK - DROPSHIPS 48-275071Bilstein B16 (PSS10) suspension kits feature ride height adjustability with 10-stage manually adjustable dampers in an OE quality, direct fit package. The 10-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kit... Bilstein B16 (PSS10) 17-19 Audi A4 Front and Rear Suspension Kit 2018-2019 Audi S4 Premium Plus / Prestige 2019-2019 Audi S4 Premium $2,473.00 |
OUT OF STOCK 49-290868Bilstein B16 (DampTronic) suspension kits feature ride height adjustability with dampers compatible with OE electronic damping systems. All of the active features of the factory electronic suspension, along with the factory controls, will be retained with the installation of this kit. These kits off... Bilstein B16 (DampTronic) 18-21 Audi S5 Front and Rear Suspension System 2018-2021 Audi S4 Premium Plus / Prestige 2019-2021 Audi S4 Premium $2,499.00 |

OUT OF STOCK 39471-1H&R 00-03 Audi S4 (AWD) Prem. Perf. Coil Over 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant $1,708.30 |
$1,708.30 |

OUT OF STOCK RSS13019-1H&R RSS+ Coil Overs are the ultimate high performance suspension with features only found on race cars. RSS+ include MONO-TUBE shock design for precise control-and externally adjustable shock damping. Some RSS+ Coil Overs feature high-tech light weight aluminum shock bodies that have a black hard an... H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 RSS+ Coil Over (Damping Adjustable/Tuner Fitment) 2009-2009 Audi S4 Cabriolet 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $2,179.54 |

IN STOCK 29092-1H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Street Perf. Coil Over 2009-2009 Audi S4 Cabriolet 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $1,857.90 |
OUT OF STOCK 29250-1H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 04-08 Audi S4/S4 Avant (AWD) V8 8E Street Perf. Coil Over (Incl. Facelift Model) 2004-2008 Audi S4 Avant / Base / Cabriolet $1,281.94 |
OUT OF STOCK 29310-1H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 02-09 Audi A4 Cabrio (2WD/AWD) 4 Cyl/V6 8H Street Perf. Coil Over (Incl. Facelift Model) 2004-2008 Audi S4 Cabriolet $1,207.14 |
OUT OF STOCK 29471-1H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 00-03 Audi S4 (AWD) Street Perf. Coil Over 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant $1,431.54 |
OUT OF STOCK 29471-2H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 00-03 Audi S4 Avant (AWD) Street Perf. Coil Over 2001-2002 Audi S4 Avant $1,431.54 |
OUT OF STOCK 50011-1H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 00-03 Audi S4 (AWD) Street Perf. Coil Over (Ultra Performance/Tuner Fitment) 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant $1,439.02 |
OUT OF STOCK 50356H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 17-21 Audi A4 Premium/A4 Premium Plus (2WD) B9 Street Perf. Coil Over (Before 7/11/16 & w/o MRC) 2018-2019 Audi S4 Premium Plus / Prestige 2019-2019 Audi S4 Premium $1,506.34 |
IN STOCK 50356-2H&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers-from daily drivers'to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spr... H&R 17-21 Audi A4 Premium/Premium Plus/Prestige (2WD) B9 Street Perf. Coil Over Kit (w/o MRC) 2018-2019 Audi S4 Premium Plus / Prestige 2019-2019 Audi S4 Premium $1,506.34 |

OUT OF STOCK 29019-1Please consult with your installer before purchasing.... H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Ultra Low Coil Over (Tuner Fitment) 2009-2009 Audi S4 Cabriolet 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $1,431.54 |

OUT OF STOCK 35210735Designed to maximize the performance on vehicles with DOT-R and other ultra high-performance tire setups. KW V3 Clubsport coilovers are the ideal choice for double-duty street cars, use at HPDE's(high performance drivers education), time attack or time trials, and club level racing. The Clubsport s... KW Clubsport Kit Audi S4 (8E/B6 QB6) Sedan Quattro 2004-2007 Audi S4 Base $3,894.00 |
OUT OF STOCK 35210765Designed to maximize the performance on vehicles with DOT-R and other ultra high-performance tire setups. KW V3 Clubsport coilovers are the ideal choice for double-duty street cars, use at HPDE's(high performance drivers education), time attack or time trials, and club level racing. The Clubsport s... KW Clubsport Kit Audi S4 (8E/B6 QB6) Convertible + Avant; Quattro 2004-2007 Audi S4 Avant / Cabriolet $3,894.00 |

OUT OF STOCK 39010022Experience the innovation and quality of high-end engineering: the KW DDC (Dynamic Damping Control) ECU (Electronic Control Unit) coilover suspension, made in Germany. For the first time with its electronically adjustable dampers, the KW DDC ECU coilover system combines intelligent, app-controlled s... KW Coilover Kit DDC ECU 08+ A4, S4 (8K/B8) 4Dr Quattro all engines w/o Electronic Dampening Control 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $5,084.00 |
OUT OF STOCK 39010024Experience the innovation and quality of high-end engineering: the KW DDC (Dynamic Damping Control) ECU (Electronic Control Unit) coilover suspension, made in Germany. For the first time with its electronically adjustable dampers, the KW DDC ECU coilover system combines intelligent, app-controlled s... KW Coilover Kit DDC ECU A4/ S4 (8K/B8) w/o Electronic Dampening Control 2010-2013 Audi S4 Base 2014-2014 Audi S4 Premium Plus / Prestige $5,084.00 |

OUT OF STOCK 18010075Built with paramount attention to detail and using only the highest quality components, the stainless-steel KW V2 Comfort coilover struts are 100 percent corrosion-resistant and have an unlimited lifespan. The dirt resistant trapezoid shaped threads and the adjustable composite spring seat mean that... KW Street Comfort Kit Audi A4 S4 (8K/B8) w/o electronic dampening control Sedan FWD + Quattro 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $2,494.00 |
OUT OF STOCK 18010097Built with paramount attention to detail and using only the highest quality components, the stainless-steel KW V2 Comfort coilover struts are 100 percent corrosion-resistant and have an unlimited lifespan. The dirt resistant trapezoid shaped threads and the adjustable composite spring seat mean that... KW Street Comfort Kit Audi A4 S4 (8K/B8) w/ electronic dampening control Sedan FWD + Quattro 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $2,814.00 |