{"product":{"id":11356514386262,"title":"Borla CrateMuffler — Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output","body_html":"\u003cp\u003eBorla CrateMuffler for the specified engine family and output level. Match the pipe layout and dimensions before installation. Construction: T-304 stainless steel. Directional flow: identify the outlet using Borla's installation guidance.\u003c\/p\u003e\u003cp\u003eApplication: Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output. Dimensions, configuration and sound depend on the selected SKU.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSKU \/ option\u003c\/th\u003e\n\u003cth\u003eBorla technical table specification\u003c\/th\u003e\n\u003cth\u003eInstallation and care requirements\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e400851 — S-Type \/ Offset\/Center\u003c\/td\u003e\n\u003ctd\u003eBorla application panel: CrateMuffler®, Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output, 2.5\" Offset Inlet\/ 2.5\" Center Outlet, 4.35\" x 9.10\" Oval, 14\" Long Body, 19\" Overall Length, S-Type.; Borla technical table: Muffler Config: Offset\/Center; Muffler Shape: Oval; Muffler Tubing Size: 2.5\"; Case Dimensions: 14\" X 4.35\" X 9\"; Muffler Oal: 19\"\u003c\/td\u003e\n\u003ctd\u003eThe outlet can be identified by the mounting bracket welded to the endcap.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400852 — ATAK \/ Offset\/Center\u003c\/td\u003e\n\u003ctd\u003eBorla application panel: CrateMuffler®, Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output, 2.5\" Offset Inlet\/ 2.5\" Center Outlet, 4.35\" x 9.10\" Oval, 14\" Long Body, 19\" Overall Length, ATAK®.; Borla technical table: Muffler Config: Offset\/Center; Muffler Shape: Oval; Muffler Tubing Size: 2.5\"; Case Dimensions: 14\" X 4.35\" X 9\"; Muffler Oal: 19\"\u003c\/td\u003e\n\u003ctd\u003eThe outlet can be identified by the mounting bracket welded to the endcap.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400853 — S-Type \/ Offset\/Offset\u003c\/td\u003e\n\u003ctd\u003eBorla application panel: CrateMuffler®, Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output, 2.5\" Offset Inlet\/ 2.5\" Offset Outlet, 4.35\" x 9.10\" Oval, 14\" Long Body, 19\" Overall Length, S-Type.; Borla technical table: Muffler Config: Offset\/Offset; Muffler Shape: Oval; Muffler Tubing Size: 2.5\"; Case Dimensions: 14\" X 4.35\" X 9\"; Muffler Oal: 19\"\u003c\/td\u003e\n\u003ctd\u003eThe outlet can be identified by the mounting bracket welded to the endcap.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400854 — ATAK \/ Offset\/Offset\u003c\/td\u003e\n\u003ctd\u003eBorla application panel: CrateMuffler®, Chevrolet Big Block 396\/ 402\/ 427 CID V8 Stock Output, 2.5\" Offset Inlet\/ 2.5\" Offset Outlet, 4.35\" x 9.10\" Oval, 14\" Long Body, 19\" Overall Length, ATAK®.; Borla technical table: Muffler Config: Offset\/Offset; Muffler Shape: Oval; Muffler Tubing Size: 2.5\"; Case Dimensions: 14\" X 4.35\" X 9\"; Muffler Oal: 19\"\u003c\/td\u003e\n\u003ctd\u003eThe outlet can be identified by the mounting bracket welded to the endcap.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCheck Borla's installation instructions for the selected part number before fitting.\u003c\/p\u003e","vendor":"Borla","product_type":"Muffler","created_at":"2026-10-10T18:03:48+01:00","handle":"borla-cratemuffler-chevrolet-big-block-396-402-427-cid-v8-stock-output-400851","updated_at":"2026-10-15T17:24:00+01:00","published_at":"2026-10-14T22:47:45+01:00","template_suffix":null,"published_scope":"web","tags":"brand:borla, cat:exhausts, class:equipment-service-non-vehicle, dept:performance-parts, type:muffler","variants":[{"id":55687163674966,"product_id":11356514386262,"title":"S-Type \/ 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