BBK · New
BBK 86-93 Mustang 5.0 High Flow H Pipe With Catalytic Converters - 2-1/2
MPN 1521 · Store SKU bbk1521
Supplier stock checked 11/7/2026, 5:31:40 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
BBK High Flow performance H pipes are designed to maximize the horsepower and torque of your 1986-1993 Ford Mustang 5.0 V8. Every BBK Performance H pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2-1/2 in. CNC mandrel bent aluminized steel tubing (with H crossover) and high flow catalytic converters to help increase exhaust flow and maximize performance to the rear wheels. These BBK catted H pipes will install directly to the factory exhaust headers or any aftermarket shorty exhaust and feature factory O2 sensor placement for simple direct installation. A BBK catted H pipe is the best way to really improve your Mustangs exhaust flow over the restrictive factory pipe to increase overall performance, plus it will sound great with an additional V8 muscle car growl. BBK High Flow performance H pipes are designed to maximize the horsepower and torque of your 1986-1993 Ford Mustang 5.0 V8. Every BBK Performance H pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2-1/2" CNC mandrel bent Stainless steel tubing (with H crossover) and high flow catalytic converters to help increase exhaust flow and maximize performance to the rear wheels. These BBK catted H pipes will install directly to the factory exhaust headers or any aftermarket shorty exhaust and feature factory O2 sensor placement for simple direct installation. A BBK catted H pipe is the best way to really improve your Mustangs exhaust flow over the restrictive factory pipe to increase overall performance, plus it will sound great with an additional V8 muscle car growl. High-Flow Full H-Pipe Assembly; 2.5 in.; H-Pipe w/2 Catalytic Converters; Direct Fit; 1986-1993 MUSTANG 5.0 2.5 FULL HIGH FLOW H PIPE W/CONVERTERS High-Flow Full H-Pipe Assembly
Manufacturer fitment & guides
Check 1521 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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
