CrateMuffler GM 350/383/ 406 3.0in In/Out S-Type
Secure checkout with Cunningham Customs LLC. Real people handle your order. Create an account to save garage, favorites, and addresses for next time.
Why builders shop this part at Cunningham Customs LLC
Looking for CrateMuffler GM 350/383/ 406 3.0in In/Out S-Type (SKU BOR400843)? Cunningham Customs LLC stocks BORLA performance hardware for serious builds — street, strip, dirt late model, sprint, drag, and 4x4. Muffler - CrateMuffler - 3 in Offset Inlet - 3 in Center Outlet - 14 in x 4.35 in x 9.1 in Oval Body - 19 in Long -... Fitment notes from listing research: We suggest using this on Chevrolet. Always double-check year, make, model, and options on the full product page before you buy. Shop performance parts with Grok AI search and fitment coaching on every product page. Compare options, confirm applications, then check out securely — real people at Cunningham Customs handle your order, payment, and shipping.
Shop all parts · Search the catalog · Build guides · Camshaft help · More BORLA
Questions about fitment or install? Ask Grok anytime, or Call Us at +1 (424) 447-8470. We're here to get the right part on your build.
Comments & builder notes
Share fitment tips, install notes, or questions. Customers, the shop, and Grok can all chime in. New comments notify the Cunningham Customs team for review.