Monza's temple of Speed is low-downforce territory, which has logically compelled all F1 teams - save Haas - to extensively modify their packages to suit the track's specific configuration.
While some teams have kept it simple, others like McLaren have gone for more elaborated changes to help their circuit-specific performance.
The Woking-based outfit's MCL60 has typically struggled this season on low-downforce configurations due to the car's excess drag.
At Monza, McLaren are relying on heavily modified rear and front wings. The former sports a new lower drag flap assembly with two trim options for the purpose of reducing flap loading and the resultant downforce and drag of the element.
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But the rear wing also includes a an offloaded mainplane and flap, resulting in an efficient reduction of downforce and drag.
At the front of the MCL60, the wing features an altered flap shape that aims at reducing loading to balance low downforce rear wing options.
"Low downforce, like I said in Spa, was on the ‘to do’ list at the start of the season," explained McLaren F1 boss Andrea Stella. "It was after just improving the general efficiency of the car.
"We had no time to address that for Spa. We had some quite rapid corrective work to be able to come here to Monza and have some low-drag solutions.
"We saw these solutions split across the cars this morning. We are happy that the data we saw were matching the expectations, so now we’ll have to pick the right one for the race and we hope to do better than what we were doing in Spa in dry conditions."
Red Bull has limited its circuit specific changes to trims applied to the trailing edges of the RB19's front and rear wings.
Ferrari's SF-23, in addition to its striking one-off livery at Monza, is running this weekend with lower downforce top and lower rear wing designs and a lower downforce front wing design. The latter's depowered flap provides the required aero balance range associated to the optimum downforce level anticipated for Monza.
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Mercedes has focused its circuit specific efforts on the rear of its W14 with the implementation of a ‘small chord upper rear wing’ and a ‘small chord beam wing’ which are suitable for a low drag environment.
Over at Aston Martin, the team has brought a new rear wing that features a modified flap with a reduced chord that should reduce wing loading and hence drag to suit the characteristics of the circuit.
Alpine, a surprise podium achiever last weekend at Zandvoort thanks to Pierre Gasly, has only modified the beam wing on its A523, with a packer fitted to the element to give the latter a revised profile that reduces both drag and downforce.
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Williams, whose FW45 is renowned for its low drag top speed characteristics has focused its attention at Monza on its car's front wing, adding a trim to the trailing edge of the front wing flap element, a change that should efficiently reduce the load on the front to match the rear downforce from the low drag wing.
For its home race at Monza, Alfa Romeo has tweaked the profiles of the main plane and endplates of the C43's rear wing, but the Swiss outfit has also modified the geometry of its car's front suspension, with redesigned shrouds that work to improve aero efficiency.
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Finally, AlpahTauri has mounted a new front wing and modified beam wing on its AT04 that both feature reduced chord and camber to achieve a better front-to-rear aero balance.
The team has also carried out changes its car's rear brake drum assembly to meet the track's specific requirements, while three turning vanes from the outboard mirror stem have also been removed for the purpose of improving aero efficiency.
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