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Audi 4M SQ8 Quattro 4.0T

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Audi 4M SQ8 Quattro 4.0T Performance Parts & Upgrades

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APR Plus ECU Upgrade - 4.0T EA825 V8 (SQ)

ES#4418359 - ECU40TEA825SQAPR - APR Plus ECU Upgrade - 4.0T EA825 V8 (SQ) - Max gains of +191 AWHP and +163 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +191 AWHP and +163 AWFT-LBS and a Limited Powertrain Warranty 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4418359
Mfg#:
ECU40TEA825SQAPR
In Stock
$3999.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Intercooler Kit

ES#4831016 - 200001206 - Performance Intercooler Kit - Unlock the full potential of a vehicle with the cutting-edge Competition intercoolera true game-changer for exceptional driving performance! - Wagner Tuning - Audi Porsche

Unlock the full potential of a vehicle with the cutting-edge Competition intercooler—a true game-changer for exceptional driving performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
* Adjustments to the original air duct are necessary

Brand:
Wagner Tuning - Corporate Logo
ES#:
4831016
Mfg#:
200001206
Ships in 2 Business Days
$3990.00 USD

Density Line Front Lower Control Arm Kit

ES#4841512 - 034-401-10/81 - Density Line Front Lower Control Arm Kit - Replace your aging, worn lower control arms with performance-engineered units to improve handling precision beyond factory levels! - 034Motorsport - Audi

Replace your aging, worn lower control arms with performance-engineered units to improve handling precision beyond factory levels! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4841512
Mfg#:
034-401-10/81
In Stock
$596.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier

Holds the driveshaft where it should be. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4420023
Mfg#:
4M001A0PDK
In Stock
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Brake Service Kit - 4M Audi SQ7/SQ8

Featuring 034 Motorsports Upgraded 2-Piece Rotors, EBC YellowStuff pads, and wear sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386511
Mfg#:
4M0615301BMKT7
In Stock at Vendor
$3064.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rennline 12mm Wheel Spacers - Black (Pair)

ES#4755583 - LS23.12MM - Rennline 12mm Wheel Spacers - Black (Pair) - Improve the look of your vehicle with spacers - Rennline - Audi Porsche

Improve the look of your vehicle with spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4755583
Mfg#:
LS23.12MM
In Stock
$125.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Brake Service Kit - 4M Audi SQ7/SQ8 (350x28)

ES#5386500 - 4M0615601PKT3 - Performance Rear Brake Service Kit - 4M Audi SQ7/SQ8 (350x28) - Featuring 034 Motorsports Upgraded 2-Piece Rotors, EBC YellowStuff pads, and wear sensors - Assembled By ECS - Audi

Featuring 034 Motorsports Upgraded 2-Piece Rotors, EBC YellowStuff pads, and wear sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386500
Mfg#:
4M0615601PKT3
In Stock
$1225.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT “OBD-LOCK” ODB Port Locking Tool

ES#4766229 - VTT-OBD-LOCK - VTT OBD-LOCK ODB Port Locking Tool - Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! - Vargas Turbo Technologies - Audi BMW Volkswagen Mercedes Benz Porsche

Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Produced After 1995

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4766229
Mfg#:
VTT-OBD-LOCK
In Stock
$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsport 12.5mm Wheel Spacer - Pair

ES#4751517 - 034-604-7021 - 034 Motorsport 12.5mm Wheel Spacer - Pair - 12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4751517
Mfg#:
034-604-7021
Ships in 3 Business Days
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts

ES#3568762 - 002411ecs02aKT8 - Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
3568762
Mfg#:
002411ECS02AKT8
In Stock
ON SALE! SAVE 15%
$160.99

This product was last offered at the strikethrough price on
06-13-2026

$136.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 8mm (Pair)

ES#2167465 - 002411ECS01A08KT - ECS Wheel Spacers - 8mm (Pair) - Add some flair to your car with our new wheel spacers - ECS - Audi BMW Porsche

Add some flair to your car with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Designed to be used with aftermarket wheels

Brand:
ECS - Corporate Logo
ES#:
2167465
Mfg#:
002411ECS01A08KT
In Stock
ON SALE!
$95.99

This product was last offered at the strikethrough price on
06-13-2026

$91.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Conical Seat Bolts

ES#2603080 - 002411ECS03AKT - Wheel Spacer & Bolt Kit - 15mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603080
Mfg#:
002411ECS03AKT
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 25%
$171.99

This product was last offered at the strikethrough price on
06-13-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Disc Brake Anti-Rattle Clip

ES#3457712 - 4M0615269B - Disc Brake Anti-Rattle Clip - Used to provide a smooth channel for disc brake pads to ride in and to reduce vibration and rattling. - Genuine Volkswagen Audi - Audi

Used to provide a smooth channel for disc brake pads to ride in and to reduce vibration and rattling. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457712
Mfg#:
4M0615269B
Ships in 2 Business Days
9% off MSRP

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

$51.67

This product was last offered at the strikethrough price on
01-07-2026

$47.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M14 Titanium Wheel Stud Kit - Black - Set Of 20

ES#4487742 - TISTUD20145BLK - M14 Titanium Wheel Stud Kit - Black - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487742
Mfg#:
TISTUD20145BLK
Ships on Jul 14, 2026
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipes With High Flow Cats

ES#4419989 - EXH-DP-0048-CAT - Downpipes With High Flow Cats - This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. - CTS - Audi

This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Stage 2 ECU Remap

Brand:
CTS - Corporate Logo
ES#:
4419989
Mfg#:
EXH-DP-0048-CAT
Special Order: No Guaranteed ETA
ON SALE! SAVE 15%
$1899.99

This product was last offered at the strikethrough price on
06-25-2026

$1614.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR ECU Upgrade - 4.0T EA825 V8 (SQ)

ES#4418358 - ECU-40T-EA825-SQ - APR ECU Upgrade - 4.0T EA825 V8 (SQ) - Max gains of +191-268 AWHP and +163-262 AWFT-LBS depending on octane - APR - Audi

Max gains of +191-268 AWHP and +163-262 AWFT-LBS depending on octane 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4418358
Mfg#:
ECU-40T-EA825-SQ
In Stock
$1528.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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