Trask, Assault Turbo Stage 2. Black
Trask Performance
#719557
£7941.23£7147.11
Member£6750.05-15%
Air Intake
3,716 products
Stage 1 intake kits, replacement air cleaners, velocity stacks, filter elements, and breather kits from Arlen Ness, K&N, and Performance Machine. Covers Sportster, Softail, Dyna, and Touring across Evo, Twin Cam, and Milwaukee-Eight platforms — including e-throttle setups on late-model bikes. If you're pairing an intake with a new exhaust, sort both before remapping.
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TWINTEC AUTO-TUNE FUEL INJECTION CONTROLLER
Daytona Twin Tec
#742038
£1346.10£1211.49
Member£1144.19-15%
TWINTEC AUTO-TUNE FUEL INJECTION CONTROLLER
Daytona Twin Tec
#722986
£1187.75£1068.98
Member£1009.59-15%
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Common questions
What is the best air cleaner for a Harley M8?
High-flow intakes like the Screamin’ Eagle Heavy Breather or Arlen Ness Method are the common Milwaukee-Eight picks. Whichever you choose, the intake only realises its gain paired with a freer exhaust and an ECM tune — fitting one on its own mostly just makes the bike louder on the intake side. See the Stage 1 guide for the full combination.
Does a high-flow air cleaner need a remap on its own?
If you fit only the intake and nothing else, the factory map can usually cope, but you leave the gains on the table. The point of a high-flow intake is as one third of Stage 1 — intake, exhaust and tune together — where the tune is what makes the extra airflow safe and useful.
Will a high-flow intake clear my legs and fairing lowers?
Clearance varies by model. Big round designs like the Heavy Breather sit proud and can foul a rider’s knee or fairing lowers on some Touring bikes, while slimmer designs tuck in closer. Check the specific intake against your model before buying — or ask us, we fit these every week.