AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
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AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
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AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats - View 2
AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats - View 3
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AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats - View 5

Product Description

AMS Performance Q50 Q60 VR30DDTT Z1 Motorsports

Introducing the Full 3″ Mandrel Bent Stainless Steel Q60 and Q50 Red Alpha Full Downpipes

The Red Alpha 3″ are the best performing and most durable on the market. During testing on AMS' shop Q60 with their Red Alpha Full, and Red Alpha Tune, our Engine Calibrators saw 20 horsepower gains over our lower! The power came on earlier and the twin turbos spool-up was significantly improved. The long gradual transitions within the mandrel bent pipe section allows exhaust gasses to maintain velocity without a buildup of back pressure inside of the system. We were able to design a superior product because of our superior engineering.

RACE / COMPETITION / INTERNATIONAL USE ONLY

This product is designed for installation on a race-only vehicle, defined as a vehicle that is used exclusively for competition and that cannot be licensed or registered for use on the public roads and highways within the United States. This product is not available for sale on emissions-controlled vehicles within the United States without a completed AMS Race Waiver form. International users outside of the United States should act in accordance with their local laws and regulations.

BENEFITS

  • 20+ Horsepower Gains over Our Red Alpha Lower!
  • Significantly Lower Back Pressures Means the Potential for More Power
  • Exhaust Gas Can Much More Easily Flow Across the Turbine Wheel
  • Full 3″ Stainless Steel Construction Over the Entire Length of the
  • 49 State High Quality GESI Catalytic Converters rated to over 800 horsepower
  • Turbine Flange Offers a Smooth Transition from the Turbine Outlet into the 3″ Tube
  • Complete Bolt on Means No Cutting
  • All Necessary Hardware Included
  • 2.5″ to 3.0″ Adapter Allows You to Run Either Stock or Aftermarket Catback Systems
  • Mandrel Bent Tubing for the Best Flow
  • Stainless Steel Brackets and Flanges
  • Designed For More Exhaust Flow
  • Includes all Gaskets Rated to Over 800 Degrees Celsius
  • Throaty Exhaust Note Under Wide Open Throttle
  • Stock Like Fitment With No Chassis Clearance Issues
  • Bolts up to The Factory Locations
  • Precision Construction for Unrivaled Fit and Finish
  • Compatible with All Models of the VR30 Q60 and Q50

First in Class Durability and Performance From Proper Engineering

AMS is first and foremost an engineering company. The AMS Engineering team utilized Solidworks (3D software) to blueprint the inlet and outlets to optimize exhaust flow. The Red Alpha Full feature heavy gauge stainless steel to retain as much heat in the down pipe as possible. Our Engineers 3D printed the to ensure an OEM level of fitment. Our threaded O2 sensor bungs allow the use of factory O2 sensor. Our perform better and are not prone to cracking like the alternatives offered by some of the competition. AMS’ Engineering Team produced a product that doesn’t just perform better, they made it sound better too.

High Performance GESI Catalytic Converters

“Our universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. To simplify your decision, our converter models target applications based on vehicle horsepower and exhaust sizing. Our High Output (HO) target up to 500 hp per exhaust bank, while our Ultra High Output (UHO) support up to 850 hp per exhaust bank.”

  • EPA Certified for use on OBD1/OBD2 Vehicles (1996 or newer)
  • 304 Series Stainless Steel construction throughout
  • G-Sport triangle cell design reduces back pressure and maximizes flow
  • Double-Lock technology ensures substrate is locked in place
  • Proprietary precious metal wash coat delivers consistent emissions reduction
  • Ideal for forced induction and capable of withstanding up to 1500 deg F

Fits:

  • 2016+ Infiniti Q50 Sedan (VR30DDTT)
  • 2017+ Infiniti Q60 Coupe (VR30DDTT)

*** This item does not qualify for any additional discounts or promotions ***

AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats

Fits models: Q50 / Q60 2017+...
AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
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$1,999.95

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AMS Q50 / Q60 3.0T Red Alpha Full High Flow Cats
$1,999.95
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What our customers say

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November 27, 2025
Great product quality is on point love the design
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January 31, 2024
Not too loud but sounds mean if I had to describe them.