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Top Mods for your Audi C7 S6 4.0T

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 C7 S6 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 C7 S6!


Hand Selected By Our Team Of Enthusiast

For Your
Audi C7 S6 4.0T

Audi C7/C7.5 S6 Air To Air Intercooler Kit
Finally eliminate heat soak and keep IAT's consistent for the most power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: ECS - Corporate Logo
ES#: 4742965
Mfg#: 012711LAKT

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Availability:
In Stock
On SALE Save 21%
$3149.99

This product was last offered at the strikethrough price on
05-02-2026

$2499.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
ECS C7 S6/S7/RS7 4.0T Upgraded Turbo Inlet Pipes
Max gains of +36 WHP / +48 FT-LBS WTQ with an APR stage 1 tune
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Brand: ECS - Corporate Logo
ES#: 4460456
Mfg#: 006993LA

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Starting at $395.62 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi 4.0T Silicone Turbo Outlet / Throttle Body Inlet Hose Set
Replace the factory rubber turbo outlet hoses with our in-house engineered 4-ply reinforced silicone hose set
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Brand: ECS - Corporate Logo
ES#: 4414220
Mfg#: 036779LA01

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Availability:
In Stock
On SALE Save 30%
$63.99

This product was last offered at the strikethrough price on
05-02-2026

$44.79 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Audi C7 S6/S7 4.0T Diverter Valve & DV Spacer Upgrade
Let your turbos blow off some air for an exhilarating driving experience!
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Brand: ECS - Corporate Logo
ES#: 4491606
Mfg#: 016683ECS01

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Starting at $202.73 USD
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Audi C7 S6/S7 4.0T Luft-Technik Intake System
Enhance your engine's performance with our ECS Cold Air Intake
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Brand: ECS - Corporate Logo
ES#: 4213073
Mfg#: 006772LA01

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Availability:
In Stock
On SALE Save 20%
$699.99

This product was last offered at the strikethrough price on
05-02-2026

$559.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
CTS Turbo Dual 3" Intake Kit
Massive 6″ velocity stack air filter with an inverted cone design - Provides peak power gains ranging from 10-20HP
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Brand: CTS - Corporate Logo
ES#: 4045663
Mfg#: CTS-IT-938

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Availability:
Ships in 7 Business Days
$399.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
C7/C7.5 S6 & S7 IE Carbon Fiber Intake
Gains up to 23.5% increase in flow against the stock intake.
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Brand: Integrated Engineering - Corporate Logo
ES#: 4465496
Mfg#: IEINCN3

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Availability:
Ships in 1 Business Day
$1149.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi C7 S6 / S7 4.0T Luft-Technik Performance Intercooler Kit
Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you.
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Brand: ECS - Corporate Logo
ES#: 4625655
Mfg#: 043630LAKT

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Availability:
In Stock
On SALE Save 15%
$849.99

This product was last offered at the strikethrough price on
05-02-2026

$722.49 USD
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This product is lifetime replacement eligible Lifetime Replacement
APR Coolant Performance System
Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet
Brand: APR - Corporate Logo
ES#: 3219341
Mfg#: MS100127

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Availability:
Ships on Jul 1, 2026
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$1743.99
$1549.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
DV+ Performance Diverter Valve - With Pierburg Valve
Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications.
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Brand: Go Fast Bits - Corporate Logo
ES#: 4630153
Mfg#: T9381

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Availability:
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$280.99
$252.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Stainless Braided Turbo Oil Line And Strainer/Screen Relocation Kit
The solution to the pesky OEM Oil Strainer/Screen that gets clogged over time, which inevitably starves your turbos of oil (TSB-2044640) - Keep your turbos alive!
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Brand: JH Motorsports  - Corporate Logo
ES#: 4147116
Mfg#: JHM-079115175G

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Availability:
In Stock
$549.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Stage 1 IE Performance Tune - Includes DSG Tune & POWERlink Cable
Average gain of 159 horsepower and 190 lb-ft of torque on 91 Octane
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Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand: Integrated Engineering - Corporate Logo
ES#: 4370533
Mfg#: IESOVP11DSG

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$1777.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
4.0T RS7 Turbo Cartridge Upgrade Pair - With Compressor Housings
RS7 turbo cartridge and compressor housings are the perfect upgrade for your Audi S6, S7 or A8 4.0T!
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Recommended to be used with HPA downpipes - HVA-271-STREET
Brand: HPA Motorsports - Corporate Logo
ES#: 3621966
Mfg#: HVA-246-A

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$1519.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
APR Upgraded Ignition Coil - Red - Set Of Eight
Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark!
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Brand: APR - Corporate Logo
ES#: 4461220
Mfg#: MS100219-8KT

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Availability:
In Stock
$307.12 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
C7 S6/S7 Valved Cat Back Exhaust - Stainless
Experience your driving passion with our ECS Valved Exhaust System!
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Brand: ECS - Corporate Logo
ES#: 4660652
Mfg#: 012767LA01KT

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Availability:
Ships on Jul 20, 2026
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Starting at $1465.97 USD
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Cat-Back Exhaust System - Non-Resonated Valvesonic
2.76" stainless steel with Quad 100mm black Cerakote tips
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Brand: Milltek Sport - Corporate Logo
ES#: 2827565
Mfg#: SSXAU448

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Availability:
Ships in 3 Business Days
$4009.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi C7 S6/S7/RS7 4.0T X-Pipe Kit
Eliminate the center resonator on your OE system for a more aggressive exhaust note
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Brand: ECS - Corporate Logo
ES#: 4213786
Mfg#: 006788LA01AKT

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Availability:
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On SALE Save 25%
$499.99

This product was last offered at the strikethrough price on
05-02-2026

$374.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
HPA Motorsport Audi C7 S6/S7 Downpipes
These downpipes will increase Hp across the powerband and give you the throaty exhaust note you're looking for!
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Brand: HPA Motorsports - Corporate Logo
ES#: 3621964
Mfg#: HVA-271-STREET

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Availability:
Ships on Jun 29, 2026
$2065.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
3" Hi-Flow Downpipes
Featuring Milltek Sport 100-cell Hi-Flow Sports Cats
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Must be fitted with Milltek Sport Cat-Back System - Requires stage 2 ECU remap and oxygen sensor extension leads
Brand: Milltek Sport - Corporate Logo
ES#: 2992809
Mfg#: SSXAU554

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Availability:
Ships in 3 Business Days
$5061.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
IE Midpipe Exhaust Upgrade
Addictive sound, quality finish, reliable operation, straightforward install, and affordable fun!
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Brand: Integrated Engineering - Corporate Logo
ES#: 4472230
Mfg#: IEEXCN2

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$659.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
4.0T Cast Downpipe Set with High Flow Cats
Bolt on solution for increased performance! Audi C7/C7.5 S6/S7/RS7 4.0T
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Brand: CTS - Corporate Logo
ES#: 4505353
Mfg#: CTS-EXH-DP-0026-

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$1799.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
ECS Performance Engine Mount Kit - Audi C7 S6/S7/RS7
Get rid of the slop with ECS performance polyurethane engine mounts!
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Brand: ECS - Corporate Logo
ES#: 4690125
Mfg#: 043658ECS01

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Availability:
Ships in 10 Business Days
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On SALE Save 20%
$699.99

This product was last offered at the strikethrough price on
05-02-2026

$559.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
C7 A6/S6/A7/S7/RS7 - Driveshaft Center Support
As our beloved C7's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing
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Brand: ECS - Corporate Logo
ES#: 4623362
Mfg#: 026704LA02KT

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Availability:
Ships in 1 Business Day
On SALE Save 20%
$308.99

This product was last offered at the strikethrough price on
05-02-2026

$247.19 USD
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This product is lifetime replacement eligible Partial Replacement
Rear Bushing Differential Mount Insert Kit
Decrease differential slop for better drivetrain response!
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Brand: ECS - Corporate Logo
ES#: 2992520
Mfg#: 008288ECS02

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Availability:
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On SALE Save 35%
$112.99

This product was last offered at the strikethrough price on
05-02-2026

$73.44 USD
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Street Density Motor Mount Pair
Void-free and fluid-free, eliminating the slop associated with the factory mounts
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Brand: 034Motorsport - Corporate Logo
ES#: 4608267
Mfg#: 034-509-0073

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$912.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
034Motorsport Billet Drivetrain Mount Insert Package
Includes trans mount insert, rear diff mount inserts, and rear diff carrier mount inserts for a complete swap!
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Brand: 034Motorsport - Corporate Logo
ES#: 3447972
Mfg#: 034-509-6001

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$294.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi C7 S6 / A6 S-Line Front Lip Spoiler - Gloss Black
ECS in-house engineered to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits pre-facelift models up through the 2015 model year
Brand: ECS - Corporate Logo
ES#: 4390748
Mfg#: 016447LA01KT

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Availability:
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On SALE Save 22%
$381.09

This product was last offered at the strikethrough price on
05-02-2026

$299.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi C7 S6 Rear Diffuser - Gloss Black
Add some aggressive styling to your C7 S6 / A6-S line pre-facelift Audi!
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Brand: ECS - Corporate Logo
ES#: 4608859
Mfg#: 041812LA01

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Availability:
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On SALE Save 33%
$442.99

This product was last offered at the strikethrough price on
05-02-2026

$299.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
Audi C7 A6/S6 Trunk Spoiler - Gloss Black
Add some aggressive styling to your Audi!
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Brand: ECS - Corporate Logo
ES#: 4159034
Mfg#: 006756LA01

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Availability:
Ships on Jun 25, 2026
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$267.99

This product was last offered at the strikethrough price on
05-02-2026

$150.00 USD
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This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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