MBRP Exhaust Installer Series 4in Cat-Back, Race Profile, Single Side Exit (Armor Lite)
Fits 2011-2014 3.5L EcoBoost
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Price tracked 12 times since Jul 26, 2026 at the stores we check daily, not eBay: low $494.99, high $519.99, currently $519.99.
where to buy · 3 retailers tracked
A cat-back exhaust replaces the piping and muffler from the catalytic converter back with larger 4-inch aluminized tubing exiting out one side, for more flow than the 3-inch Street version.
why this one — A step up from MBRPs 3in Street option for 2011-2014 trucks, larger diameter piping for more aggressive flow and tone.
No hp/tq figure published on mbrp.com for this SKU (checked directly, 2026-07-22); consistent with NONE PUBLISHED already established for 10+ other MBRP F-150 cat-back SKUs in this catalog.
Questions about this category
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See how we check a price and our affiliate disclosure.