Add to Cart The item has been added Roush 2018-2021 Ford Mustang 5.0L V8 GT Cold Air Kit The all-new 2018-2021 Mustang 5.0L ROUSH V8 Cold Air Kit is more efficient air intake than the standard stock airbox. Cold air induction allows for latent potential in power and fuel efficiency... $429.99 Add to Cart The item has been added Compare