Top Mods for your B6 S4
ECS loves helping you make your car all it can be; that's why we've put all the top-of-the-line performance parts for your AUDI B6 S4 together in one place. This list, compiled by our own AUDI gurus, is everything you need to outfit your car with all those goodies you've wanted for your build. Let's make race season even more fun with all the best performance parts for your Audi B6 S4!
Hand Selected By Our Team Of Enthusiast
For Your
AUDI B6 S4 4.2L V8
Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4
Take control of your ride while going low with our sport-tuned coilover system!
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Brand:
ES#:
3624746
Mfg#:
027966ECS01
BR Series Coilover Suspension Kit
Featuring 30 levels of adjustment and performance spring rates and valving
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Brand:
ES#:
3521686
Mfg#:
S-02-BR
Bilstein B14 PSS Suspension System
Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty!
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Brand:
ES#:
2984041
Mfg#:
47-119444
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Availability:
In Stock
In Stock
Sport Springs - Set
Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R
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Brand:
ES#:
2017
Mfg#:
50314
Density Line Complete Front Control Arm Kit
Includes new control arms with Density Line control arm bushings and hardware
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Brand:
ES#:
3046839
Mfg#:
034-401-1004
Density Line Lower Control Arm Kit
Upgraded rubber bushings to offer a substantial performance increase over the worn factory parts
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Brand:
ES#:
3183551
Mfg#:
034-401-1021
Density Line Adjustable Upper Control Arm Kit (Camber Correcting)
Adds positive camber to eliminate inner tire wear and reach factory alignment specs
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Brand:
ES#:
2864576
Mfg#:
034-401-1000
Density Line Upper Control Arm Kit
Refresh your front end with 034Motorsport's front upper control arm kit
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Brand:
ES#:
3184738
Mfg#:
034-401-1003
Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm
Reduce body roll and enhance handling!
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Brand:
ES#:
4608992
Mfg#:
000601LA01KT
Performance Front & Rear Sway Bar Kit
Includes front adjustable (32mm) and rear (22mm) adjustable sway bars with required bushings
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Brand:
ES#:
3536876
Mfg#:
72257
Silicone Inlet Hose
Upgraded silicone hose from the MAF sensor to the throttle body
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Brand:
ES#:
2966730
Mfg#:
034-112-6013
B6 S4 Muffler Delete Kit - With 4.0" Chrome Tips
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
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Brand:
ES#:
4660245
Mfg#:
042002LA01KT2
Cat-Back Exhaust System - Resonated
2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips
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Brand:
ES#:
2827420
Mfg#:
SSXAU296
Clutch Kit - Stage 1
Features a full faced, steel backed, multi-compound organic lined disc with a torque rating of 430 ft/lbs
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Recommended to be used with Spec single mass flywheel SA44S
Recommended to be used with Spec single mass flywheel SA44S
Brand:
ES#:
2586444
Mfg#:
SA441
Lightweight Steel Flywheel (20lbs)
Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power
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Brand:
ES#:
3090723
Mfg#:
SA44S
Ultimate Shift Kit
Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob
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Brand:
ECS / BFI
ES#:
3145389
Mfg#:
009198ECS01KT
Complete ECS Performance Engine Mount Kit - Audi B6/B7 S4
Includes ECS performance polyurethane engine mounts and snub mount
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Brand:
ES#:
2723046
Mfg#:
000805ECS02A2KT
Street Density Line Transmission Mount
Increase performance and durability without sacrificing comfort
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Brand:
ES#:
2952012
Mfg#:
034-509-4001SD
Complete Rear Differential Mount Kit
Includes the ECS Rear Differential Mount and Carrier Mount Inserts!
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Brand:
ES#:
3172515
Mfg#:
018327ECS01KT
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Availability:
Ships on Jul 17, 2026
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Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
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Brand:
ES#:
2718769
Mfg#:
004329ECS01A
Rear Differential Carrier Mount Bushing Insert Kit
Decrease differential slop for better drivetrain response!
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Brand:
ES#:
3132752
Mfg#:
018327ECS01
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Availability:
Ships on Jul 17, 2026
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Carbon Fiber Mirror Cap Set - Audi B6/B7/8P/C6
Upgrade your exterior look
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Brand:
ES#:
2804800
Mfg#:
010253ECS01KT
Audi B6 S4/A4 Trunk Spoiler - Gloss Black
Add some aggressive styling to your Audi!
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Brand:
ES#:
4137292
Mfg#:
006436LA01
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Availability:
In Stock
In Stock
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
1402
Mfg#:
B6A4SSBLK
18" Style 620 Wheels - Set Of Four
18x8 ET35 5x112 57.1CB - Hyper Silver
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Brand:
ES#:
2143392
Mfg#:
620-5
19" Tekniform Style 007 - Set Of Four
19"x8.5" ET45 5x112 - Matte Gunmetal
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Brand:
ES#:
3969820
Mfg#:
007-4KT2
Density Line Motor Mount Kit
Includes 034Motorsport Street Density mounts & active mount resistor bypasses
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Brand:
ES#:
3183555
Mfg#:
034-509-0008KT
Complete Density Line Performance Motor Mount Kit
Includes 034Motorsport Street Density mounts, active mount resistor bypass, and ECS performance Snub Mount
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Brand:
ES#:
3183556
Mfg#:
034-509-0008KT1
Gruppe M Carbon Fiber Intake System
Elegant looks with enhanced performance!
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Brand:
ES#:
3193030
Mfg#:
FRI-0183