SPDZ1 1 7/8" Longtube Headers & X-Pipe – 2015–2023 Mustang GT 5.0L Coyote Unlock the full potential of your 2015–2023 Mustang GT 5.0L Coyote with the SPDZ1 1 7/8" Longtube...
Unlock the full potential of your 2015–2023 Mustang GT 5.0L Coyote with the SPDZ1 1 7/8" Longtube Headers & X-Pipe System. Engineered for enthusiasts who demand real horsepower gains and a race-inspired exhaust note, this complete system is built to outperform stock and budget alternatives.
Crafted from premium 304 stainless steel with precision TIG welds and CNC-machined flanges, SPDZ1 headers are designed for maximum durability, perfect fitment, and unrestricted exhaust flow. The included 3” X-Pipe balances exhaust pulses for improved scavenging, sharper throttle response, and an aggressive tone that commands attention on the street or track.
✅ Key Features
Mandrel-Bent 1 7/8” Primaries – Large-diameter tubing for maximum airflow & horsepower
3” Collector with Merge Spike – Improves exhaust velocity and scavenging efficiency
True Longtube Header Design – Gains of 25+ rwhp with proper tuning
Precision TIG-Welded Joints – Strong, clean welds built for high-performance heat cycles
CNC-Machined, Port-Matched Flanges – Leak-free seal and OE-level fitment
Full 304 Stainless Steel Construction – Corrosion-resistant natural stainless finish
Graphite Manifold Gaskets & Hardware Included – Ready-to-install performance upgrade
X-Pipe Included – Optimizes exhaust tone & flow for balanced performance
⚠️ Fitment Notes
Fits 2015–2023 Mustang GT 5.0L Coyote engines
Gen 1 (2011) and some Gen 3 (2018+) Coyote engines may use M10x1.25 header bolts
Late Gen 1 (2011) & Gen 2 (2015–2017) typically use M10x1.5 header bolts
Please confirm thread pitch before installation
💡 Why Choose SPDZ1? Unlike mass-produced budget options, every SPDZ1 header system is dyno-tested, track-proven, and built to last. From stronger welds to precision collectors, SPDZ1 delivers the power, sound, and reliability your Mustang deserves.
