Flowmaster · New
Flowmaster Super HP-2 2.50 IN/OUT 12 in. SS Muffler
MPN 12512304 · Store SKU flo12512304
Supplier stock checked 11/8/2026, 5:05:40 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
Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow mufflers, now in a new sleek styling. These mufflers are available in either a 409S stainless steel case or a polishable 304S stainless steel case and in sizes ranging from 2.00 in., 2.25 in. and 2.50 in. These mufflers are covered by Flowmaster's Lifetime Limited Warranty. Super HP-2 Muffler 304SS - 2.50 Center In. 2.50 Center Out - Aggressive Sound Flowmaster Super HP-2 Muffler 304SS
Manufacturer fitment & guides
Check 12512304 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y