4 x 4 Australia - - Gear -


TJM Airtec snorkels, made from Uv-re­sis­tant, low-den­sity poly­eth­yl­ene for max­i­mum rigid­ity, are 100 per cent Aus­tralian made us­ing a proven method of roto-mould­ing and high-qual­ity alu­minium moulds. To en­sure longterm ser­vice­abil­ity, all snorkels utilise stain­less steel hard­ware. “TJM Airtec snorkels are en­gi­neered to suit the in­di­vid­ual re­quire­ments of each en­gine to en­sure that the new in­take sys­tem works with the en­gine in the harsh­est run­ning con­di­tions,” Brad Cooper said. To this end, ve­hi­cles with an Airtec snorkel fit­ted are tested to en­sure it doesn’t af­fect per­for­mance. TJM’S unit is unique as it of­fers an op­tion of air rams on some mod­els. “This in­cludes the tra­di­tional for­ward-fac­ing ram, along with the Wed­getail de­sign avail­able for pop­u­lar ve­hi­cles,” Cooper added.


Sa­fari Armax snorkel sys­tems utilise Aus­tralian-made in­dus­trial spec Uv-sta­bilised poly­eth­yl­ene. “All snorkel bod­ies are ro­ta­tion­ally moulded to Sa­fari’s strict stan­dards, us­ing our man­u­fac­tur­ing pro­cesses devel­oped over 35 years to en­sure ev­ery body fits per­fectly and will last the life of a ve­hi­cle,” Jason Luxon ex­plained.

“All Armax snorkel sys­tems are thor­oughly en­gi­neered to en­sure the re­quired amount of air flow is achieved for each ve­hi­cles ap­pli­ca­tion,” he added. “Sa­fari utilises CAD soft­ware in de­sign in­clud­ing anal­y­sis of mod­elled flow data, 3D printed mod­els are then flow-tested on our cus­tom flow bench. In ad­di­tion, each sys­tem is tested on our all-wheel drive dy­namome­ter to en­sure the ve­hi­cle per­forms as ex­pected in a con­trolled en­vi­ron­ment. Fi­nally, all ve­hi­cles are road tested both on- and off-road.”


Sherpa 4x4 snorkels are ro­to­moulded, un­der strict qual­ity con­trol, us­ing the high­est qual­ity ma­te­ri­als in­clud­ing the UV ab­sorber and car­bon black UV blocker.

James David said it’s crit­i­cal to use the best pos­si­ble ma­te­ri­als, re­gard­less of cost. “Un­for­tu­nately, the good in­gre­di­ents are also the costly ones,” he said. “We be­lieve in spend­ing a lit­tle ex­tra dur­ing man­u­fac­tur­ing process to achieve a higher qual­ity end prod­uct and, as such, we don’t skimp on the ex­pen­sive in­gre­di­ents.”

Sherpa 4x4 also in­vest plenty of time and ef­fort to en­sure the prod­uct is moulded to be strong and im­pact re­sis­tant. The com­pany no longer man­u­fac­tures in Australia, but the low-com­plex­ity mould­ing can be done anywhere in the world thanks to the brand’s Qual­ity Man­age­ment Plan.


All Iron­man 4x4 snorkels use Uv-re­sis­tant poly­eth­yl­ene, and all mount­ing hard­ware is stain­less steel. “We use LLDPE (lin­ear low den­sity poly­eth­yl­ene) due to the ex­cel­lent UV and im­pact re­sis­tance,” Adam Craze said.

“For the de­sign we start with 3D scan­ning the ve­hi­cle, so we can en­sure the per­fect fit against the ve­hi­cle. We de­sign the shape around the op­ti­mum air­flow and ve­hi­cles fea­tures,” he said. “We en­sure the snorkel doesn’t sit too high or too far out to en­sure they are com­pat­i­ble with other ac­ces­sories like side-steps with rails.”

The snorkel’s air in­take is also higher and in front of the wind­screen, and Iron­man uses a four-inch head and in­take to en­sure suf­fi­cient air vol­ume to the en­gine.

Iron­man snorkels are then tested – from the dyno to the real world – be­fore and af­ter fit­ment.


Air­flow snorkels em­ploy 100 per cent LLDPE. “The ma­te­rial is com­pounded (remelted) with ad­di­tives for UV, duc­til­ity, hard­ness, im­pact strength and pro­cess­ing fea­tures,” ex­plained Air­flow’s David Mel­lords.

Each snorkel goes through com­puter sim­u­la­tion and phys­i­cal test­ing. “Tak­ing into con­sid­er­a­tion the prop­er­ties of the pow­er­train, de­sign and struc­ture of the ve­hi­cle, the snorkel is in­di­vid­u­ally designed to get the best pos­si­ble out­come,” he said.

The snorkel’s de­sign pro­duces a cold air in­duc­tion ef­fect, boost­ing power and im­prov­ing fuel ef­fi­ciency. R&D and man­u­fac­tur­ing is done in a num­ber of coun­tries in­clud­ing Australia, and parts are sourced from all over the world.

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