Borla 400851 product image
Borla / Mufflers

Borla CrateMuffler — Chevrolet Big Block 396/ 402/ 427 CID V8 Stock Output

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£387.65 VAT included. Shipping calculated for your destination.

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Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

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Borla 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.

Application: Chevrolet Big Block 396/ 402/ 427 CID V8 Stock Output. Dimensions, configuration and sound depend on the selected SKU.

SKU / option Borla technical table specification Installation and care requirements
400851 — S-Type / Offset/Center Borla 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" The outlet can be identified by the mounting bracket welded to the endcap.
400852 — ATAK / Offset/Center Borla 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" The outlet can be identified by the mounting bracket welded to the endcap.
400853 — S-Type / Offset/Offset Borla 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" The outlet can be identified by the mounting bracket welded to the endcap.
400854 — ATAK / Offset/Offset Borla 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" The outlet can be identified by the mounting bracket welded to the endcap.

Check Borla's installation instructions for the selected part number before fitting.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Borla CrateMuffler — Chevrolet Big Block 396/ 402/ 427 CID V8 Stock Output
Borla CrateMuffler — Chevrolet Big Block 396/ 402/ 427 CID V8 Stock OutputS-Type / Offset/Center
Available to Order £387.65