PowerFlow Systems - Small Block Chevy

Powerflow Small Block Kit with Stainless Risers
Your Price:
$2,199.99

Powerflow Small Block Kit with Stainless Risers

421-PFS-82AK

Powerflow Small Block Kit with Stainless Risers

Powerflow now offers a small block system. This system is designed after the big block kit using the same riser system. This system will increase your torque and horsepower by 10%. This system is also available fully polished, too.

Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out.

 The outside manifold surfaces are then coated with the highest quality epoxy powder coating available, creating a part that not only is highly corrosion resistant, but good looking as well. Features an external fitting to accept stock MerCruiser thermostat plumbing.


Powerflow Small Block System with Stainless Silent Choice Risers
Your Price:
$1,999.99

Powerflow Small Block System with Stainless Silent Choice Risers

421-PFS-85SAK

Powerflow Small Block System with Stainless Silent Choice Risers

This popular system allows the use of a switchable exhaust diverter. These risers are stainless steel and custom designed to ease installation. They use a standard 4" diverter connection.

Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out.

 The outside manifold surfaces are then coated with the highest quality epoxy powder coating available, creating a part that not only is highly corrosion resistant, but good looking as well. Features an external fitting to accept stock MerCruiser thermostat plumbing.


Powerflow S-Pipe System - Small Block System Chevy with Stainless Risers
Your Price:
$2,699.99

Powerflow S-Pipe System - Small Block System Chevy with Stainless Risers

421-PFS-84SK

Powerflow S-Pipe System - Small Block System Chevy with Stainless Risers

This "S" pipe is unique in many ways. It has an infinite number of advantages. This pipe will size up to many pre-existing port locations. It's great for below platform applications with large camshafts or high performance motors. It allows the exhaust to mix with water down at the first connection.

Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out.

 The outside manifold surfaces are then coated with the highest quality epoxy powder coating available, creating a part that not only is highly corrosion resistant, but good looking as well. Features an external fitting to accept stock MerCruiser thermostat plumbing.