Standard spec includes Birchill sports exhaust system in the press blurb [/quote]

I understand AR may be looking at offering a 'straight through' system as an alternative to the Birchill as a retrofit

Ferrari 488 Pista
Porsche 991.2 GT3
Porsche 718 Spyder
Caterham 620R
BMW M2
Porsche Macan Turbo