Catted Stainless Exhaust Downpipe for Audi S4 S5 B9 3.0T

$999.95 USD

Before You Order

Confirm fitment, lead time, and install details before checkout.

Fitment Support In Stock / Made To Order Returns Check
Fitment Check Confirm year, make, model, trim, bumper style, wiring, and selected options before checkout.
Build Details Photos, vehicle search, and recommendations are helpful guides; final fitment can vary by build.
Lead Time In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
Inspect First Inspect every part before painting, drilling, cutting, modifying, or installing it.
Not sure it fits? Send your vehicle details and product link to support@vektomotorsports.com. Ask Support

COMPLETE YOUR SETUP

Upgrade exhaust flow, throttle response, and sound on your Audi S4 or S5 B9 3.0T with the STRATEC Catted Stainless Exhaust Downpipe. Designed to reduce backpressure while retaining drivability, this downpipe delivers improved performance and a deeper, more aggressive exhaust tone compared to the factory unit.

Constructed from high-quality stainless steel, the downpipe features a high-flow catalytic converter, offering a balanced upgrade for enthusiasts seeking stronger performance without excessive harshness.

Key Features

  • Fits Audi S4 & S5 B9 3.0T

  • High-flow catted downpipe design

  • Stainless steel construction for durability and heat resistance

  • Reduces backpressure and improves exhaust flow

  • Enhances turbo response, horsepower, and torque

  • Produces a deeper, sportier exhaust tone

Notes

  • Professional installation recommended

  • ECU tuning may be required for optimal performance

  • Designed for performance-focused applications

Description

Upgrade exhaust flow, throttle response, and sound on your Audi S4 or S5 B9 3.0T with the STRATEC Catted Stainless Exhaust Downpipe. Designed to reduce backpressure while retaining drivability, this downpipe delivers improved performance and a deeper, more aggressive exhaust tone compared to the factory unit.

Constructed from high-quality stainless steel, the downpipe features a high-flow catalytic converter, offering a balanced upgrade for enthusiasts seeking stronger performance without excessive harshness.

Key Features

  • Fits Audi S4 & S5 B9 3.0T

  • High-flow catted downpipe design

  • Stainless steel construction for durability and heat resistance

  • Reduces backpressure and improves exhaust flow

  • Enhances turbo response, horsepower, and torque

  • Produces a deeper, sportier exhaust tone

Notes

  • Professional installation recommended

  • ECU tuning may be required for optimal performance

  • Designed for performance-focused applications

Fitment & Install Notes

Fitment first: Confirm your vehicle year, make, model, trim, bumper style, wiring, and product options before checkout. Product photos, vehicle search, and recommendations are helpful guides, but final fitment can depend on trim, modifications, and install setup.

  • Installation: Professional installation is recommended for lighting, exhaust, carbon fiber, steering wheel, brake, and body components.
  • Lead time: In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
  • Before install: Inspect all parts before painting, drilling, cutting, modifying, or installing. Contact us first if anything looks incorrect.
  • Need help? Email support@vektomotorsports.com before purchase if you want fitment support for your build.