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Audi B8 Performance Parts & Upgrades

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B8/8.5 A5/S5 Lowering Springs

ES#4711586 - 051232LA01 - B8/8.5 A5/S5 Lowering Springs - Dramatically improve looks and handling with and average lowering up to 1.3" front and rear. - ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.3" front and rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Manufactured 100% in the USA

Brand:
ECS - Corporate Logo
ES#:
4711586
Mfg#:
051232LA01
In Stock
ON SALE!
$285.99

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

$276.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983801 - 46-183354 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our Spin To Win Sweepstakes!
For Avant models. Lowers 35mm front, 30mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983801
Mfg#:
46-183354
Ships on Jul 28, 2026
Auto Notify
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Q5/SQ5 3.0T Luft-Technik Intake System

ES#4212999 - 004786LA01 - B8 Q5/SQ5 3.0T Luft-Technik Intake System - Enhance your engine's performance up to +10 WHP over stock with our ECS Air Intake System! - ECS - Audi

Enhance your engine's performance up to +10 WHP over stock with our ECS Air Intake System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4212999
Mfg#:
004786LA01
In Stock
ON SALE! SAVE 15%
$469.99

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

$399.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 Wheel Spacer Flush Fit Kit - Black Bolts

ES#2951811 - 011326ECS01KT1 - Audi B8 A4 Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2951811
Mfg#:
011326ECS01KT1
In Stock
ON SALE! SAVE 25%
$298.99

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

$224.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow High Pressure Fuel Pump

ES#4057584 - 10-127-101C2K - High Flow High Pressure Fuel Pump - New Hitachi fuel pump with Autotech internal upgrades pre-installed for a 5% torque increase and additional 10 bar of fuel rail pressure! - Autotech - Audi

New Hitachi fuel pump with Autotech internal upgrades pre-installed for a 5% torque increase and additional 10 bar of fuel rail pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
4057584
Mfg#:
10-127-101C2K
Ships in 2 Business Days
$894.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm)

ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
Ships in 1 Business Day
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Stud Conversion Kit

ES#2804036 - 001467ECS01KT - Ball Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with ball seat wheels and up to 10mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804036
Mfg#:
001467ECS01KT
In Stock
ON SALE!
$197.99

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

$188.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Exhaust Valves

ES#2827393 - SSXAU267 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.37" stainless steel and retains OE exhaust tips - Milltek Sport - Audi

2.37" stainless steel and retains OE exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827393
Mfg#:
SSXAU267
Ships in 3 Business Days
$3569.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated - Valved

ES#2917895 - SSXAU505 - Cat-Back Exhaust System - Resonated - Valved - 2.37" stainless steel with quad 100mm black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm black Cerakote tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2917895
Mfg#:
SSXAU505
Ships in 3 Business Days
$3562.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated - Valved

2.37" stainless steel with quad 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2917896
Mfg#:
SSXAU506
Ships in 3 Business Days
$3562.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool

ES#4642772 - iefuvo1KT - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642772
Mfg#:
IEFUVO1KT
In Stock
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Valve Spring Kit - Priced Per Spring

ES#4690063 - MS100258 - APR Valve Spring Kit - Priced Per Spring - Lighter, stiffer, and supports higher revving! - APR - Audi Volkswagen

Lighter, stiffer, and supports higher revving! 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!

Brand:
APR - Corporate Logo
ES#:
4690063
Mfg#:
MS100258
In Stock
11% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
06-05-2026

$61.99 USD
Free Shipping

Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34)

ES#2804479 - 003883ECS01A01KT - Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34) - Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers - ECS - Audi

Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Audi RS Calipers*

Brand:
ECS - Corporate Logo
ES#:
2804479
Mfg#:
003883ECS01A01KT
In Stock
ON SALE!
$1205.99

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

$1168.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Q5 Engine Street Shield Aluminum Skid Plate

ES#4151011 - 029161ecs01AKT - Audi B9 Q5 Engine Street Shield Aluminum Skid Plate - Protect your vehicle's plastic oil pan with this .128" thick aluminum skid plate - ECS - Audi

Protect your vehicle's plastic oil pan with this .128" thick aluminum skid plate affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4151011
Mfg#:
029161ECS01AKT
In Stock
ON SALE! SAVE 20%
$397.99

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

$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V3 Series Coilover Kit

ES#2092360 - 35210090 - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi Porsche

The ultimate in coilover technology featuring double adjustable dampening affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic dampening. Range of lowering is 1.6-3.1" in the front and 1.8-3.3" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092360
Mfg#:
35210090
Back Ordered
$3494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel Kit - Stage 2 Endurance

ES#3449155 - k70614hdofeKT1 - Performance Lightweight Flywheel Kit - Stage 2 Endurance - South Bend Lightweight Single Mass Flywheel with the South Bend Stage 2 clutch kit rated at 440ft/lbs - South Bend Clutch - Audi

South Bend Lightweight Single Mass Flywheel with the South Bend Stage 2 clutch kit rated at 440ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3449155
Mfg#:
K70614HDOFEKT1
Ships in 1 Business Day
$3483.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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