SPDZ1 Mustang 1 7/8" Longtube Headers & X-Pipe 2015-2023 5.0L Coyote (Pre-Order Item)
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: SZY-043-CATLESS
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 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
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Mandrel-Bent 1 7/8” Primaries – Large-diameter tubing for maximum airflow & horsepower
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3” Collector with Merge Spike – Improves exhaust velocity and scavenging efficiency
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True Longtube Header Design – Gains of 25+ rwhp with proper tuning
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Precision TIG-Welded Joints – Strong, clean welds built for high-performance heat cycles
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CNC-Machined, Port-Matched Flanges – Leak-free seal and OE-level fitment
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Full 304 Stainless Steel Construction – Corrosion-resistant natural stainless finish
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Graphite Manifold Gaskets & Hardware Included – Ready-to-install performance upgrade
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X-Pipe Included – Optimizes exhaust tone & flow for balanced performance
⚠️ Fitment Notes
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Fits 2015–2023 Mustang GT 5.0L Coyote engines
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Gen 1 (2011) and some Gen 3 (2018+) Coyote engines may use M10x1.25 header bolts
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Late Gen 1 (2011) & Gen 2 (2015–2017) typically use M10x1.5 header bolts
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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.
📦 Includes: Headers, X-Pipe, gaskets, clamps & installation hardware
👉 Take your Coyote to the next level with SPDZ1 — proven power, unmatched quality, and aggressive sound in one complete package.
*** Pre-Order Item expected 10/30 ***
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Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.