Audi C8 RS 6 Quattro 4.0T Milltek Catalytic Converters

Featuring Milltek Sport Hi-Flow sports cat, fits to Milltek Sport Cat Back systems. Requires stage 2 software

Brand:

ES#:

4339829

Mfg#:

SSXAU909

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$6486.99

This product was last offered at the strikethrough price on
08-17-2026

$5837.71 USD

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Lifetime Replacement

Featuring Milltek Sport Hi-Flow sports cat, fits with OE cat-back system. Requires stage 2 software

Brand:

ES#:

4339825

Mfg#:

SSXAU910

ON SALE! SAVE 10%

$6467.99

This product was last offered at the strikethrough price on
08-28-2026

$5820.37 USD

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Free Shipping

on orders $49 and up

Lifetime Replacement