took the restrictive air intake out and replace it with a smooth flowing 3” aluminum tube. Mandrel bent tube was $18.99, silicone straight coupler $6.99, 2 foot straight tube (only needed 5”) $16.99, K&N filter $69.00 you can buy a cheaper filter. Clean install, the 90 just touches the inner fender. All the tube was bought at siliconeintakes.com, fast shipping.