Catted Race Stainless 300 Cell Downpipe for Mercedes Benz AMG GT63 GT63S 4.0T

$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 while retaining catalytic function on your Mercedes Benz AMG GT63 or GT63S X290 4.0T with the STRATEC High Flow 300 Cell Catted T304 Stainless Downpipe, engineered for stronger performance gains and refined race sound.

Constructed from premium T304 stainless steel, this downpipe features a 300 cell high‑flow catalytic converter designed to significantly reduce backpressure compared to the factory unit while maintaining emissions hardware. The result is faster turbo response, improved mid‑range power, and a sharper AMG exhaust character.

Designed as a direct bolt‑on upgrade, this downpipe installs to factory mounting points for clean fitment and reliable sealing.

Performance Benefits

  • 300 cell high flow catalytic converter

  • Reduced backpressure for quicker turbo spool

  • Stronger mid‑range and top‑end performance

  • Mandrel bent T304 stainless tubing

  • Precision TIG welded construction

  • Direct bolt on installation

Fitment

Mercedes Benz AMG GT63 X290
Mercedes Benz AMG GT63S X290
4.0T Twin Turbo V8

Description

Upgrade exhaust flow while retaining catalytic function on your Mercedes Benz AMG GT63 or GT63S X290 4.0T with the STRATEC High Flow 300 Cell Catted T304 Stainless Downpipe, engineered for stronger performance gains and refined race sound.

Constructed from premium T304 stainless steel, this downpipe features a 300 cell high‑flow catalytic converter designed to significantly reduce backpressure compared to the factory unit while maintaining emissions hardware. The result is faster turbo response, improved mid‑range power, and a sharper AMG exhaust character.

Designed as a direct bolt‑on upgrade, this downpipe installs to factory mounting points for clean fitment and reliable sealing.

Performance Benefits

  • 300 cell high flow catalytic converter

  • Reduced backpressure for quicker turbo spool

  • Stronger mid‑range and top‑end performance

  • Mandrel bent T304 stainless tubing

  • Precision TIG welded construction

  • Direct bolt on installation

Fitment

Mercedes Benz AMG GT63 X290
Mercedes Benz AMG GT63S X290
4.0T Twin Turbo V8

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.