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Audi B8 RS5 4.2L Performance Engine Parts

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ES#2677787 - RS542STG1CHPKT - Stage 1 Performance Chip - Fully Loaded - The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 455-466 HP with 329-335 FT-LBS of torque. - APR - Audi

The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 455-466 HP with 329-335 FT-LBS of torque. Call In Or Chat For Best Price! 5X Entries For Our Spin To Win Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2677787
Mfg#:
RS542STG1CHPKT
Ships in 1-2 days
$964.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Quick connect union T-fitting for 1/4" Nylon

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up
ES#4877045 - 034-106-A002/3 - FP34 Fuel Pump Surge Tank - Designed for Bosch 044 Fuel Pump - 034Motorsport - Audi Volkswagen

Designed for Bosch 044 Fuel Pump 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
034Motorsport - Corporate Logo
ES#:
4877045
Mfg#:
034-106-A002/3
Back Ordered
$351.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3514387 - TP-CT/22 - Carbon Titanium Tail Pipe Set - Left Side - Replacement carbon/titanium left side tail pipe tip set for system S-AU/TI/2H - Akrapovic - Audi

Replacement carbon/titanium left side tail pipe tip set for system S-AU/TI/2H To be used with Akrapovic exhaust system S-AU/TI/2H

Brand:
Akrapovic - Corporate Logo
ES#:
3514387
Mfg#:
TP-CT/22
Back Ordered
$812.99 USD
Free Shipping
ES#3107663 - 769012KT3 - CatBack Exhaust System - Non-Resonated - Stainless steel system without mufflers - Supersprint - Audi

Stainless steel system without mufflers

Brand:
Supersprint - Corporate Logo
ES#:
3107663
Mfg#:
769012KT3
Back Ordered
$3393.90

This product was last offered at the strikethrough price on
10-05-2026

$3329.10 USD

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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