Borla · New
Borla CrateMuffler SBC Hot 350/383 3 inch Offset/Center 14in x 4.35in x 9in Oval Muffler
MPN 400844 · Store SKU bor400844
Supplier stock checked 11/7/2026, 8:34:45 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
BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet 350/ 383/ 406 CID V8 engine family. The directional design provides the aggressive ATAK(r) sound, tuned for each engine family and will dramatically reduce, or eliminate drone on specified applications. Muffler dimensions 3" Offset Inlet / 3" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit and best of all, BORLA(r) stands behind every CrateMuffler(r) with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. CrateMuffler, Chevrolet Small Block 350/ 383/ 406 CID V8 High Output, 3" Offset Inlet / 3" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length, ATAK. CrateMufflerâ„¢ CrateMuffler - ATAK Crate Muffler
Manufacturer fitment & guides
Check 400844 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
