JBA · New
JBA 15-20 Ford Mustang EcoBoost 2.3L 304SS After Cat Down Pipe
MPN 31748SD · Store SKU jba31748SD
Supplier stock checked 11/7/2026, 8:20:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
JBA’s line of mid-pipes open the flow on your exhaust system for a dramatic increase in performance and improved sound. Each mid-pip is hand polished to a mirror finish for a custom look. You’ll receive high quality hardware and thorough instructions for a professional no-leak installation. A nice sidekick for our stainless steel headers - our mid-pipes are available in 409 Series stainless steel. JBA After Cat Down Pipe 15-22 Mustang Eco Boost 2.3L 304SS Emissions Legal 31748SD 15-22 Mustang Eco Boost Down Pipe 304SS
Manufacturer fitment & guides
Check 31748SD against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y