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The hardcore McLaren 600LT has landed with vertical exhausts

It's another lighter, faster, air-bothering McLaren, but it doesn't look like the Senna. Result!

Welcome to this month’s new wing with a McLaren attached. With the internet’s resting heart-rate finally recovering from the palpitations induced by the challenging appearance of the 789bhp McLaren Senna, Woking has aimed its stripping-out sockets and souping-up spanners at the entry-level Sports Series model, better know to you and I as the 570S. The result, now packing an extra 30bhp, wearing lighter body panels, and brandishing a fiendish aerodynamic non-flight suit, is the 600LT. This is McLaren’s new Longtail.

As per the sublime 675LT – the hollowed-out hardcore 650S we fell for back in 2015 – ‘Longtail’ is more of a philosophy than a literal extension of the rump – and in truth, a handy marketing tie-in for McLaren to hark back to the F1 GTR ‘Longtails’ that won the 1997 Le Mans GT1. The 600LT’s lippier front splitter and rear diffuser stalactites elongate the car a smidge (okay, 74mm), but they’re literally the tips of a ruthless wind tunnel remodeling.

Chief among the tweaks is that carbon-fibre surfboard. There’s no slippery DRS or airbrake party tricks here – the wing stays firmly fixed in place whichever drive mode you’re using – but that’s not to say it’s without theatre. Notice that matt section above the wing’s supporting spars? That’s a heat-resistant area necessitated by the new top-exit exhausts. McLaren’s shifted the pipes to the engine deck to make room for a more effective diffuser and gain some extra downforce by funneling superheated gases over the rear wing, but the surface has to wear a flameproof suit to come with the temperature generated by the 3.8-litre bi-turbo V8. Proper supercar pub ammo, that.

The V8 develops an extra 15lb ft, so 457lb ft now arrives at the rear wheels’ stickier tyres via the seven-speed dual-clutch gearbox, but that’s only by virtue of reduced backpressure from the shortcutted exhaust. This is still a pretty familiar McLaren V8, albeit aided by an upgraded cooling system. The 720S has donated its brakes and lighter aluminium suspension components – though the 600LT remains relatively old-school for a McLaren by shunning hydraulically-linked dampers for classic anti roll bars.

McLaren’s yet to reveal how fast the 600LT will cover the standard benchmarks – 0-60, 0-125mph, and top speed – but with its dollop of extra poke and a 96kg weight saving thanks to carbon addenda, the miniaturised exhaust and racier suspension, it’s going to be a lot quicker than any ‘baby Mac’ jesting suggests. The 570S is already good for 0-60 in 3.4sec, 0-125 in 9.4sec, and 205mph flat out.

Thing is, we never revered the last Longtail for outright pace. No, we loved its savagery, and how its controls fizzed with feedback and thrills without requiring a racetrack and a self-preservation bypass to enjoy. The 675LT was the moment McLaren Automotive truly came good, forged a machine worthy of the iconic F1, and banished the notion it was as clinical as a surgeon’s washroom. That’s the legacy the 600LT has to live up to.

Course, you can choose how hardcore you want it. The Senna’s ultra-lightweight barely-padded seats are an optional extra here. You can spec near-slick Pirelli Trofeo R tyres, which saw duty on the P1 hypercar in a previous life, and the price – £185,000 – includes attendance of a McLaren-only owners track day.

So, it’s the Sports Series, with 23 per cent new parts, all of which make it lighter, louder or faster. See, you don’t really need a Senna after all. We just saved you £565k.

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