AMS PERFORMANCE ALPHA FULL STREET DOWNPIPE KIT Q50/Q60

Unlock Power and Performance:</b> Elevate your driving experience with AMS Performance VR30DDTT Street Full Downpipes. Crafted with precision engineering, these full 3" mandrel bent units deliver unrivaled performance and durability. Experience a remarkable 20 horsepower boost over VR30 Race Lower Downpipes, coupled with earlier power delivery and improved twin turbo spool-up. Experience the difference superior engineering makes.

• BIG HP GAINS OVER LOWER DOWNPIPES 
• FULL 3″ STAINLESS STEEL CONSTRUCTION INCLUDING BRACKETS AND FLANGES 
• EPA COMPLIANT HIGH QUALITY GESI CATALYTIC CONVERTERS RATED TO OVER 800 HORSEPOWER 
• INCLUDED 2.5″ TO 3.0″ ADAPTER ALLOWS YOU TO RUN EITHER STOCK CATBACK SYSTEM OR AFTERMARKET SYSTEMS 
• MANDREL BENT TUBING FOR THE BEST EXHAUST FLOW 
• TURBINE FLANGE OFFERS A SMOOTH TRANSITION FROM THE TURBINE OUTLET INTO THE 3″ TUBE 
• INCLUDES ALL GASKETS RATED TO OVER 800 DEGREES CELSIUS AND ALL NECESSARY HARDWARE 
• O2 SENSOR TUBES EXTEND TO MEET OEM LOCATION. NO JUMPERS NEEDED 
• THROATY EXHAUST NOTE UNDER WIDE OPEN THROTTLE 
• STOCK LIKE FITMENT WITH NO CHASSIS CLEARANCE ISSUES 
• PRECISION CONSTRUCTION FOR UNRIVALED FIT AND FINISH

FIRST IN CLASS DURABILITY AND PERFORMANCE FROM PROPER ENGINEERING 

AMS is primarily an engineering firm, with a core focus on innovation and precision. Utilizing Solidworks, our engineering team meticulously designed the inlet and outlets to enhance exhaust flow in our AMS Street Full Downpipes. Crafted from heavy gauge stainless steel, these downpipes are engineered to retain optimal heat. Leveraging advanced 3D printing technology, our engineers ensured a seamless OEM-level fitment. Equipped with threaded O2 sensor bungs, our downpipes seamlessly accommodate factory sensors. Unlike alternatives from competitors, AMS downpipes excel in performance and durability, eliminating the risk of cracking. Not only do our products perform better, but they also deliver an enhanced exhaust note, a testament to the craftsmanship of the AMS Engineering Team.

HIGH PERFORMANCE GESI CATALYTIC CONVERTERS 

Employing EPA-compliant catalytic converters sourced from industry leader GESI, our AMS downpipes designed for the VR30DDTT engine offer an optimal solution for enhancing performance while maintaining OEM-like fitment and strict emission control standards.

• 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

AMS PERFORMANCE VR30DDTT STREET FULL DOWNPIPES INCLUDE 

• 3″ 304 Stainless Steel Downpipes 
• GESI EPA Compliant Catalytic Converters (Integrated) 
• 3″ Exhaust Gaskets 
• 3″ to 2.5″ Cat-back Adapter Plates 
• All Necessary Installation Hardware 

APPLICATIONS 

• 2017+ INFINITI Q60 with 3.0L Twin Turbo VR30 
• 2016+ INFINITI Q50 with 3.0L Twin Turbo VR30 
• 2023+ Nissan Z (incl. all submodels)