Valvetronic Designs Mercedes-AMG GT 400 Cell Catted Downpipes
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Mercedes-AMG GT – 400 Cell Catted Downpipes
EPA Compliant • Brushed T304 Stainless Steel
The Valvetronic Designs Mercedes-AMG GT 400C EPA Compliant Catted Downpipes replace the restrictive factory catalysts on the 4.0L twin-turbo V8 with high-flow 400 cell catalytic converters. Fully mandrel-bent brushed T304 stainless steel tubing keeps exhaust flow smooth while the catalysts keep emissions equipment in place. Built to pair with the Valvetronic Designs Mercedes-AMG GT Valved Sport Exhaust System.
- Brushed T304 Stainless Steel
- T304 stainless steel for long-term durability and corrosion resistance
- Fully mandrel-bent tubing for maximum flow and sharper throttle response
- 400-cell EPA compliant high-flow catalytic converters
- Direct fit for Mercedes-AMG GT
Warranty Coverage
All products manufactured by Valvetronic Designs are guaranteed to be free from manufacturing defects in materials and workmanship at the time of sale. A manufacturing defect is defined as any characteristic of the product that arises during the manufacturing process which impairs its usability for the purposes for which it was designed and manufactured.
Products are guaranteed to fit and function as designed on their intended vehicle application, provided the vehicle has not been modified or incurred structural damage. Sound or tone is not a warrantable or returnable issue, as exhaust sound is subjective and not considered a defect.
Warranty Periods
- 304 stainless steel and titanium exhaust tubes and welds carry a Lifetime of Ownership limited warranty against defects in workmanship or material, including penetrating rust.
- Mufflers and resonators carry a 3-year limited warranty against defects in workmanship or material, including penetrating rust.
- Catalysts are warranted to conform to EPA emission testing and OBDII compatibility criteria for 25,000 miles from the date of installation, whichever occurs first.
- Catalytic converter external shells, including end pipes, are warranted against corrosion and defective welding for 5 years or 50,000 miles from the date of installation, whichever occurs first.
- Vacuum pots, electronic remotes, and mechanical valves are covered by a 1-year limited warranty.
- Electronics, including 12V vacuum pumps, RF modules, and controllers, are covered by a 1-year limited warranty.
- Tip finish is covered by a 1-year limited warranty.
Warranty Terms
- Warranty coverage begins on the purchase date and applies only to the original purchaser.
- This warranty is not transferable or assignable at any time.
- Discoloration caused by heat, salt, brine, or other road treatments is not covered.
- Tip finish discoloration or damage caused by heat, chemicals, lack of maintenance, road salt, brine, other road treatments, road debris, or misuse is not covered.