APS Tallboy Style Hi Flow Upper Intake Manifold Plenum for Nissan 350Z G35VQ35DE 3.5L
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
BULL BOOST PERFORMANCE™ presents the Hi Flow Upper Intake Manifold Plenum for Nissan 350Z and Infiniti G35 (VQ35DE). Designed for enthusiasts who want more airflow, more throttle response, and an OEM-plus fitment, this plenum revives the performance legacy of the long-discontinued APS “Tallboy” intake.
For years, the APS Tallboy upper plenum was widely regarded in the Nissan and VQ community as one of the best intake manifold upgrades ever made. It offered increased airflow over the factory unit, stronger mid-range power delivery, and better throttle response without sacrificing street drivability. After APS phased the Tallboy out nearly a decade ago, enthusiasts were left without a high-quality replacement—until now.
The BULL BOOST PERFORMANCE™ Hi Flow Plenum brings that concept back to life with modern manufacturing, improved internal airflow design, and precision fitment that bolts directly in place of your factory plenum. Whether you’re building a high-performance street car, tracking your 350Z/G35, or restoring a classic VQ platform, this intake upgrade delivers measurable gains and a smoother engine feel.
Key Features
Improved Airflow Design
Developed to increase airflow into the engine, improving volumetric efficiency over the stock plenum. Better air volume helps throttle response and mid-range torque.
Inspired by APS Tallboy Engineering
STRATEC™ pays homage to the legendary APS Tallboy plenum with a similar high-flow concept that enthusiasts previously used to unlock extra performance in naturally aspirated and mildly boosted VQ35DE setups.
OEM-Like Fitment
Designed to bolt directly to the stock lower intake and throttle body with no modification required. Retains proper sensor locations and vacuum port compatibility.
Enhanced Throttle Response
With improved internal flow, the engine breathes more easily, translating to sharper throttle feel and reduced restrictions compared to the factory plenum.
Premium Quality Construction
Manufactured from high-grade materials and precision cast for durability, strength, and consistency under daily driving and spirited use.
Straightforward Installation
No cutting, drilling, or special adapters needed. Includes gasket set for a proper seal and easier install.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.