Audi Performance Exhaust Mufflers

Valved rear silencer assembly - To be used in conjunction with Milltek C7 RS7 exhaust systems - Retains OE exhaust valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:

ES#:

4138661

Mfg#:

MSAU590

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$1029.00

This product was last offered at the strikethrough price on
10-26-2026

$926.10 USD

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Lifetime Replacement

Valved rear silencer assembly - To be used in conjunction with Milltek C7 RS7 exhaust systems - Retains OE exhaust valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:

ES#:

4138660

Mfg#:

MSAU589

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$1009.00

This product was last offered at the strikethrough price on
10-26-2026

$908.10 USD

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Lifetime Replacement

Non-valved rear silencer assembly - To be used in conjunction with Milltek Kits SSXAU560, SSXAU332, SSXAU561, SSXAU331, and SSXAU737 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
*This muffler deletes the factory exhaust valves - It is recommended to purchase valve delete modules SSXAU405 to prevent ECU fault codes*

Brand:

ES#:

3987628

Mfg#:

MSAU572

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$486.99

This product was last offered at the strikethrough price on
10-26-2026

$437.85 USD

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on orders $49 and up

Lifetime Replacement

Non-valved rear silencer assembly - To be used in conjunction with Milltek Kits SSXAU560, SSXAU332, SSXAU561, SSXAU331, and SSXAU737 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
*This muffler deletes the factory exhaust valves - It is recommended to purchase valve delete modules SSXAU405 to prevent ECU fault codes*

Brand:

ES#:

3987627

Mfg#:

MSAU571

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$474.99

This product was last offered at the strikethrough price on
10-26-2026

$426.89 USD

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on orders $49 and up

Lifetime Replacement

Left side rear silencer with twin 76.2mm exhaust tips Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:

ES#:

3557478

Mfg#:

MSAU292

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$356.99

This product was last offered at the strikethrough price on
10-26-2026

$320.99 USD

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Lifetime Replacement

Replaces MSAU744REP/745REP Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:

ES#:

4865863

Mfg#:

SSXAU900

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$746.99

This product was last offered at the strikethrough price on
10-26-2026

$672.17 USD

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on orders $49 and up

Lifetime Replacement

Right side rear silencer with twin 76.2mm exhaust tips Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
To be used with cat-back systems SSXAU046 & SSXAU048

Brand:

ES#:

3557479

Mfg#:

MSAU293

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$356.99

This product was last offered at the strikethrough price on
10-26-2026

$320.99 USD

Add to Cart

Lifetime Replacement