What vehicles does this exhaust diagram cover?

1994-96 Chevrolet Full Size 8-cylinder models: Caprice Sedan, Classic Wagon, Impala SS, and Police Car with the 350 C.I.D. (5.7L) engine.

What are the muffler part numbers for a 1994-96 Caprice with the 5.7L engine?

Mufflers 21110 and 21111 are shown, with tailpipe/rear sections 21132 and 21133 (Sedan) and pipes 54014 and 54015 (Sedan).

What clamp sizes are used in this exhaust system?

2-1/8" clamp 35334, 2-1/4" clamp 35336, and 2" clamp 35335.

Are performance replacement options listed?

Yes. A DynoMax system is available: for muffler 21110, Ultra-Flo SS 17258; for 21111, Direct Fit 18234 or Ultra-Flo SS 17259 (see footnote 576 and the DynoMax section cross reference chart).

What do the diamond (◆) symbols mean on the diagram?

If the part is a welded assembly, replace all required parts.

Which catalytic converters are listed?

53234 and 53233, both marked (94-95) and (1996 Exc. Calif.).

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1994-96 Chevy Caprice, Impala SS 5.7L Exhaust System Parts Diagram & Numbers

Exhaust system parts diagram for 1994-96 Chevrolet full-size 5.7L with numbered components

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Exhaust system parts breakdown for 1994-96 Chevrolet Caprice/Impala SS 350 with catalytic converter, mufflers, pipes and part numbers.

AI caption September 2005 · Photo 62 of 63

This is an exhaust system parts catalog page (page/section 263) for full-size Chevrolet vehicles: 1994-96 Caprice Sedan, Classic Wagon, Impala SS, and Police Car equipped with the 350 C.I.D. (5.7L) 8-cylinder engine. It shows two exploded exhaust system diagrams from the catalytic converter back to the tailpipe. Components include catalytic converters 53234 and 53233 (for 94-95, and 1996 except California), intermediate pipes 45520 and 45521, mufflers 21110 and 21111, tailpipes 54014/54015 (Sedan) and resonators/tail assemblies 21132/21133 (Sedan). Hardware includes gasket 31599, flange 31865, bracket 35339, insulators 35473 and 35725, and clamps 35334 (2-1/8"), 35336 (2-1/4"), and 35335 (2"). Diamond symbols indicate that if the part is a welded assembly, all required parts must be replaced. A note states a DynoMax performance system is available: for muffler 21110, Ultra-Flo SS 17258; for muffler 21111, Direct Fit 18234 or Ultra-Flo SS 17259, with footnote 576 referring to the Cross Reference Chart in the DynoMax section. Readers can identify all exhaust part numbers and clamp sizes needed to service these vehicles.

This document covers 1994-96, which may differ from this 1990 Ford LTD Crown Victoria.

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Frequently asked questions

What vehicles does this exhaust diagram cover?: 1994-96 Chevrolet Full Size 8-cylinder models: Caprice Sedan, Classic Wagon, Impala SS, and Police Car with the 350 C.I.D. (5.7L) engine.
What are the muffler part numbers for a 1994-96 Caprice with the 5.7L engine?: Mufflers 21110 and 21111 are shown, with tailpipe/rear sections 21132 and 21133 (Sedan) and pipes 54014 and 54015 (Sedan).
What clamp sizes are used in this exhaust system?: 2-1/8" clamp 35334, 2-1/4" clamp 35336, and 2" clamp 35335.
Are performance replacement options listed?: Yes. A DynoMax system is available: for muffler 21110, Ultra-Flo SS 17258; for 21111, Direct Fit 18234 or Ultra-Flo SS 17259 (see footnote 576 and the DynoMax section cross reference chart).
What do the diamond (◆) symbols mean on the diagram?: If the part is a welded assembly, replace all required parts.
Which catalytic converters are listed?: 53234 and 53233, both marked (94-95) and (1996 Exc. Calif.).