Nissan Patrol HT18/ 6 Bolt High Mount Dump Pipe

Radius Fabrications Nissan Patrol HT18 3.0” High Mount Dump Pipe

The Radius Fabrications 3.0” HT18 High Mount Dump Pipe is designed to significantly improve exhaust flow over the restrictive factory HT18 dump pipe, helping your turbo breathe easier and perform more efficiently.

By allowing exhaust gases to exit faster, this dump pipe improves turbo response, supports increased horsepower and torque, and can contribute to better overall engine efficiency when paired with supporting modifications.

This dump pipe is designed ONLY for vehicles running a standard HT18 turbo mounted to a Radius Fabrications high mount manifold.

Key Features

• 3.0” high mount dump pipe

• Designed to replace the restrictive factory HT18 dump pipe

• Improves exhaust gas flow and turbo efficiency

• Supports gains in horsepower and torque

• Precision fabricated for correct fitment on Radius manifolds

• Heavy-duty construction for high exhaust temperatures

• Supplied with 1/8 NPT pyro bung fitting as standard

• Australian designed and fabricated

Compatibility

Turbo Compatibility

• HT18 – Standard factory turbo only

Manifold Compatibility

• Radius Fabrications High Mount Manifold only

❗ This dump pipe will not suit factory manifolds or non-Radius turbo manifolds.

Important Informations

• This is a HIGH MOUNT dump pipe ONLY

• Designed specifically for standard HT18 turbo setups

• Exhaust gaskets are not supplied

• Fitment is guaranteed only when used with a Radius Fabrications high mount manifold

• Please ensure you select the correct manifold option before ordering

FAQ 

What turbo does this dump pipe suit?

This dump pipe suits the standard HT18 turbo only.

Will this fit a factory manifold?

No.
This dump pipe is designed ONLY to suit Radius Fabrications high mount manifolds.

Is this a low mount or high mount dump pipe?

This is a HIGH MOUNT dump pipe.

Does the dump pipe include a pyro bung?

Yes.
All Radius Fabrications dump pipes are supplied with a 1/8 NPT pyro bung fitting.

Do you supply exhaust gaskets?

No.
Radius Fabrications does not supply gaskets. These should be sourced from your local auto parts supplier.

Will this dump pipe increase power?

Improved exhaust flow helps the turbo spool more efficiently, which can support gains in horsepower, torque, and overall engine efficiency when combined with appropriate tuning and supporting modifications.

Can this dump pipe be used with other turbo upgrades?

No.
This dump pipe is designed specifically for the standard HT18 turbo. Fitment with other turbos is not supported.