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AMS Performance Alpha Catless Lower Downpipe Kit for Infiniti Q50 laid out with all hardware visible }
AMS Performance Alpha Catless Lower Downpipe Kit for Infiniti Q60 laid out with white background, no hardware }
2 downpipes by AMS for Infiniti q50 side by side with white background }
AMS Downpipes for Infiniti q60 side by side showing the diameter and opening }
AMS Downpipes by AMS For Infiniti Q50 inner piping image }
The AMS Performance Red Alpha Lower Downpipes deliver a full 3" mandrel-bent stainless steel exhaust path engineered...
Vendor: AMS Performance
SKU: ALP.28.05.0001-1
Product Type: Downpipes
Regular price
$484.99
Regular price
$549.95
Sale price
$484.99
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AMS Performance Red Alpha 3" Lower Downpipes | 2016-2024 Infiniti Q50 / 2017-2022 Q60 / 2023+ Nissan Z VR30DDTT
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Free shipping on $99+ order

30-days Returns

30-days Returns

The AMS Performance Red Alpha Lower Downpipes deliver a full 3" mandrel-bent stainless steel exhaust path engineered specifically for the VR30DDTT twin-turbo platform found in the Infiniti Q50, Q60, and 2023+ Nissan Z. Designed to eliminate back pressure from the factory restrictive lower section, these downpipes unlock measurable power and torque gains across the entire RPM range while dramatically improving twin-turbo spool response.

AMS engineers 3D-modeled and test-fit every bend in SolidWorks before 3D printing prototypes to verify OEM-level clearance and installation accuracy. The result is a bolt-on fitment with no trimming, clocking issues, or adaptation required. Heavy-gauge stainless steel construction retains exhaust heat within the pipe to maintain gas velocity, while threaded O2 sensor bungs accept your factory sensors — keeping the dash CEL-free when paired with a proper tune. The lower downpipes are over 62% lighter than the OEM units, reducing unsprung exhaust mass while improving flow.

At wide-open throttle, the VR30 Red Alpha Lower Downpipes produce a deep, aggressive exhaust character that stays refined and subdued at idle and cruise — a proper dual-purpose sound profile for street and track use. An included 2.5" to 3.0" adapter ensures compatibility with both the factory catback and most aftermarket 3" systems.

Note: Race/off-road use only. ECU calibration is strongly recommended to maximize power output.

Features

  • Full 3" mandrel-bent 304 stainless steel construction
  • Heavy-gauge SS retains exhaust heat for maintained gas velocity
  • 3D-modeled and prototype-fit tested for OEM-level installation accuracy
  • Threaded O2 sensor bungs — factory sensors bolt right in, no CEL
  • Over 62% lighter than OEM lower downpipes
  • Included 2.5" to 3.0" adapter — stock or aftermarket catback compatible
  • Dyno-verified power and torque gains across the RPM band
  • Improved twin-turbo spool response
  • Aggressive WOT exhaust note; refined at idle and cruise

Fitment

Make Model Chassis Year Engine
Infiniti Q50 (All Sub-Models) V37 2016–2024 3.0L VR30DDTT
Infiniti Q60 (All Sub-Models) CV37 2017–2022 3.0L VR30DDTT
Nissan Z / 400Z (All Sub-Models) RZ34 2023+ 3.0L VR30DDTT

If you have any fitment questions, please feel free to reach out to our team via the contact methods below. If you are contacting us for any order status updates, please give us a call, or email us. We are a lean operation bringing you the best shopping experience possible. We are working on your orders as quickly as we can. We thank you for your patience.

Call:
Please reach out to us at (310) 231-0292 for sales inquiries if you are in the United States, Canada, Mexico.
Email:
For more in-depth product questions, fitment questions, product inquiries please email our performance specialists at online@autotalent.com.
All other inquiries:
Please direct your inquiries to the chat functionality on our website.

Returns Policy

If a product is ordered and not wanted, the UNUSED item can be returned for a 25% restocking fee unless otherwise specified. In some cases, we may offer the ability to return the item to us for a lesser restocking fee and then keep the balance as a store credit. To return an item, it must be in brand new condition with original packaging.

We cannot accept a return on special ordered or custom items.

Shipping is non refundable in either direction unless approved by AutoTalent. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the AutoTalent facility are shipped via FedEx, USPS, or USPS. Some packages shipped from the manufacturer may or may not require signatures for package release.

Special Order Items

Some items may be special order specifically for the customer’s vehicle. These items generally require a deposit or paid in full. Once this deposit amount is notified to the customer and they agree to order the special order item, the deposit becomes non-refundable. These special order items cannot be returned or resold. Cancellations are not allowed on special order parts.

AutoTalent DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return. We will not cover any expenses related to the product or installation, and you may be required to purchase a replacement.

** All cancellations that are requested that are NOT due to items not being in stock or delayed by the manufacturer are subject to a 5% processing fee. When you place an order with us we pay credit card fees that are NOT returned back to us. We will absorb these fees if we do not have the item in stock OR if you agree to the original ETA and that ETA is NOT met. If you decide to cancel for any other reason you will not receive this 5% fee back

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based.

Fitment
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