The Brenmar Performance Group is proud to present to our current and prospective customers the latest state-of-the-art proprietary designs of high performance intake manifolds, throttle bodies, and engine components for various engine/vehicle applications.


Through it’s diligent work, the Brenmar Performance Group has already applied for two patents and three new patents are in progress.

All of our high performance intake manifolds and throttle bodies are designed and developed by using the latest engineering and manufacturing tools such as:

  • 3D CAD for design

  • CAM/CNC systems for manufacturing

  • Computational Fluid Dynamics (CFD) analysis for best flow performance

  • Process Modeling for tooling and casting optimization

  • Engine and in car dyno testing for optimum engine/vehicle performance

  • Automated assembly and leak testing


“Our designs are optimized for the best performance for each application”

We have designed, developed and manufactured our products to exceed OEM dimensional and performance standards.

The Brenmar Performance Group recognizes our customers’ requirements and needs for continuous improvements in parts quality, performance and costs. These factors are achieved by the relentless pursuit of perfection and data-driven improvements.

Our state-of-the-art high performance aluminum intake manifold are manufactured with precision sand castings and gravity castings (PM and SPM). These are considered the best choices in the industry for complex parts requiring intricate coring with dimensional stability and repeatability.

Additional design features of our high performance intake manifolds are:

  • Ports designed to precisely match each cylinder head application.

  • Runners designed for optimum flow, velocity, pressure and fluid distribution in each cylinder.

  • Nitrous oxide pads integrated in the casting for ease of application.

  • Seal designed and built with temperature insulating characteristics.


The Brenmar Performance Group has the capabilities to design and manufacture your high performance components with State-of-the-Art design tools and manufacturing equipment:

  • 2D and 3D CAD engineering services

  • Computational Fluid Dynamics analysis

  • Components and tooling design and build

  • Process Modeling for parts and tooling optimization

  • CAM/CNC systems with 5 axis machining capabilities

  • Engine and vehicle dyno testing

  • Manifold porting modifications for best flow

  • Cylinder head porting modifications for best performance

  • Throttle body over-boring for increased flow


We can manufacture prototypes and production performance products in:

  • Sand casting

  • Permanent molding

  • Die casting

  • Forging

  • Polymer injection molding



Mon - Fri: 9am - 6pm


Owned and operated with management with over 30 years experience.


4126 Old Forge Dr
Fort Gratiot, MI 48059

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