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Exhaust› Exhaust Pipes, Systems and Components

Billy Boat

Cat-Back Exhaust System

$1,896.49 $1,550.94 Save $345.55

SKU: FPIM-0575

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Billy Boat FPIM-0575 is a cat-back exhaust system designed for the 2008-2012 Audi S5 with the 4.2L V-8 engine. Manufactured from T304 stainless steel, this 2-1/2" system is a direct replacement for the factory exhaust. It features hand-fabricated mufflers with Billy Boat's Purge Resonance Technology (PRT) and a quad tip design with 3.5" double wall tips.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBilly Boat
Part NumberFPIM-0575
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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