Mike over at
5startuning.com had time to play around on the dyno with our full Catted downpipe and S tube muffler system. (he also has an album with the MBRP 3" catback and catless downpipe... Needless to say we are happy with the comparative results!)
Stainless Works F150 Ecoboost Exhaust System Power's ON! | Facebook
STOCK UNTUNED TRUCK WITH STAINLESS WORKS CATTED DOWNPIPE AND S-TUBE (STRAIGHT THROUGH) CATBACK SYSTEM
-87 octane (More power to be had with Premium)
-Peak HP gain of 20 rwhp. Gain of roughly 10 rwhp throughout the entire RPM band
- Peak Torque gain of 30 ftlbs.
Truck gained about 25 ftlbs of torque throughout the whole RPM band
SW CATTED DOWNPIPE AND S-TUBE CATBACK WITH 5 STAR 87 OCTANE TUNE
-87 octane (Additional 20-30hp to be gained with Mike's PREMIUM OCTANE tune)
-Peak HP gain of 28 rwhp. Gain of about 20-25 rwhp throughout the RPM band
-Peak torque gain of 85 ftlbs.
Truck gained about 60 ftlbs through the entire RPM band compared to stock
THINGS TO KEEP IN MIND:
Torque is our friend!
While Peak numbers are great to talk about (and we did really well with them), they almost do not matter. What matters is how much power you can add throughout the entire RPM band and this combo knocks that out of the park! This is where our 3.5" system shines over the less appropriately sized 3" or 4" systems.
Without a tune, this system adds about 10hp and 25 ftlbs through the rpm band.
With a tune, the exhaust opens up the big end and allows for an extra 20 ftlbs of torque between 3250rpm and redline compared to a 5 Star tune with a stock exhaust . Horsepower is up an extra 10-15 after 3250rpm as well!
Ford F-150 EcoBoost - Stainless Works Systems - YouTube