Pass, merge, climb effortlessly + more towing MPG

Dramatically improves engine breathing

Pass, merge, climb effortlessly +120 hp/+256 lb-ft

Merge, pass, and climb effortlessly, even with bigger tires!

Dramatically improves engine breathing

Pass, merge, and climb effortlessly

Gain up to +72 hp/+87 lb-ft, plus improves MPG

Gain +32 hp/+42 lb-ft, plus up to 5% more MPG

Pass, merge, and climb effortlessly

Dramatically improves engine breathing

Adds +57 hp/+73 lb-ft, 6 on-the-fly power levels

Gain +56hp & +70lb-ft, plus 7 Percent more MPG

Gains up to +35 hp and +42 lb-ft, 5% more MPG

Gain the most power and save! +81 hp +144 lb-ft. Improves Passing, Merging, Towing

Adds up to +72 hp & +148 lb-ft 8% quicker 30-90mph towing acceleration