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Audi B9 RS5 Quattro 2.9T

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Audi B9 RS5 Quattro 2.9T Performance Engine & Drivetrain Parts

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Stage 1 IE Performance ECU Tune - Includes Stage 2 TCU Tune & POWERlink Cable

ES#4662407 - iesovz21tcu2 - Stage 1 IE Performance ECU Tune - Includes Stage 2 TCU Tune & POWERlink Cable - Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
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#:
4662407
Mfg#:
IESOVZ21TCU2
In Stock
$1777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

IE Carbon Fiber Intake System - B9 RS5 *Scratch And Dent*

ES#5339650 - IEINDA1 - IE Carbon Fiber Intake System - B9 RS5 *Scratch And Dent* - Features a one-piece carbon fiber airbox and offers up to 28HP & 26ft-lbs over stock. - Scratch & Dent - Audi

Features a one-piece carbon fiber airbox and offers up to 28HP & 26ft-lbs over stock. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5339650
Mfg#:
IEINDA1
In Stock
ON SALE! SAVE 30%
$1091.99

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

$764.39 USD
Scratch and Dent Item

Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5425701 - SN0-20010 - Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit - (NO LONGER AVAILABLE) *Scratch And Dent* - Red High Temp Nylon Tubing, Quick-Connect Fittings - Scratch & Dent - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Red High Temp Nylon Tubing, Quick-Connect Fittings ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425701
Mfg#:
SN0-20010
In Stock
ON SALE!
$520.99

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

$484.99 USD
Free Shipping
on orders $49 and up

Motorsport TrackSport Engine Mounts - Pair

ES#4846365 - 034-509-0095 - Motorsport TrackSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4846365
Mfg#:
034-509-0095
Ships in 3 Business Days
ON SALE! SAVE 10%
$677.00

This product was last offered at the strikethrough price on
06-28-2026

$609.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Upgrade Kit

ES#4866064 - 034-108-5063 - SuperDuper Turbo Inlet Upgrade Kit - designed to be utilized with existing X34 or P34 Intake Systems - 034Motorsport - Audi

designed to be utilized with existing X34 or P34 Intake Systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4866064
Mfg#:
034-108-5063
Ships in 3 Business Days
ON SALE! SAVE 10%
$611.00

This product was last offered at the strikethrough price on
06-28-2026

$549.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White

ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Jul 23, 2026
$69.00 USD
Free Shipping
on orders $49 and up

Unitronic Carbon Intake System Without Turbo Inlet

ES#4669287 - UH029-INA - Unitronic Carbon Intake System Without Turbo Inlet - improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. - Unitronic - Audi

improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4669287
Mfg#:
UH029-INA
Ships in 6 Business Days
$1469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Intake System - TTE720 Turbo Inlet

ES#4669284 - UH030-51-INA - Unitronic Carbon Intake System - TTE720 Turbo Inlet - improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. - Unitronic - Audi

improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4669284
Mfg#:
UH030-51-INA
Ships in 6 Business Days
$2085.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi / Porsche 2.9L 3.0L EA839 Water-Methanol Injection System Kit

ES#4715348 - 01-839-02150-9 - Audi / Porsche 2.9L 3.0L EA839 Water-Methanol Injection System Kit - Complete Bolt-On System, Compatible with stock & modified applications, and all hardware & gaskets included! - Weistec - Audi Porsche

Complete Bolt-On System, Compatible with stock & modified applications, and all hardware & gaskets included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715348
Mfg#:
01-839-02150-9
Ships in 1 Business Day
$1799.00 USD
Free Shipping

JE Forged Piston Upgrade For Audi EA839 2.9T - Set Of 6

Forged Pistons that maintain Stock Compression Ratio: 10.0:1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905976
Mfg#:
034-202-9110
Ships in 3 Business Days
ON SALE! SAVE 10%
$2315.00

This product was last offered at the strikethrough price on
06-28-2026

$2083.50 USD
Free Shipping

Rear Differential Carrier Bushing Insert Kit - Black

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620267
Mfg#:
4M0599257R
Ships on Jul 22, 2026
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobbs Switch (30 psi)

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 4 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

In-Line Micro Regulator - 5 Bar

ES#4690245 - 601-0260 - In-Line Micro Regulator - 5 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690245
Mfg#:
601-0260
Ships in 5 Business Days
$68.99

This product was last offered at the strikethrough price on
01-22-2026

$64.99 USD
Free Shipping
on orders $49 and up

In-Line Micro Regulator - 4 Bar

ES#4883148 - 601-0259 - In-Line Micro Regulator - 4 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883148
Mfg#:
601-0259
Ships in 10 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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