Longtube Headers 1-7/8 Catted (fits 15-23 Mustang GT GT350 GT500) Ultimate Headers

     Ultimate Headers’ direct bolt are designed to make installing a later generation engine into an earlier vehicle a much easier job… with great eye-appeal! Cast Stainless Steel flanges and the tight radius cast Stainless Steel elbows lets you put large tubes in tight places! The strength of 321 Stainless Steel tubes delivers a stronger, more durable header than our competition. Plus, you get a complete package – headers, bolts, a pair of matching Cometic HTS header and HTS Collector Gaskets (if applicable).  

» Lifetime Warranty!

» 1-7/8 Primaries, 3" Collectors

» Unique investment cast SS flanges
» Includes mounting hardware, gaskets and O2 sensor ports
» 18 Gauge 321 SS for the strongest header built on the market

» Tight radius cast elbows allow for a better fit and improved air flow
» This product in intended for Off-road use only and will require a tune for proper operation. These are not intended for street legal, pollution controlled vehicles

2015 2016 2017 2018 2019 2020 2021 2022 2023 Mustang GT 5.0 Coyote S550