Exhaust› Exhaust Pipes, Systems and Components

SPEED FX

PONTIAC G8/CHEVROLET SS S

$864.06

SKU: S08S XF-ES-VF73-VMK-CBS

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

MaxFlow Xtreme Exhaust Systems from SpeedFX are made with high-quality T-304 austenitic stainless steel for unparalleled durability and resistance to rust. Reinforced with 300 series stainless steel weld filler, these systems are built to last. Engineered with smooth mandrel bend angles to maximize airflow, ensuring optimal sound and performance. CNC manufacturing guarantees precise fitment, reducing installation time. The MaxFlow Xtreme muffler delivers a bold, aggressive tone that commands attention and brings joy to every ride.

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

BrandSPEED FX
Part NumberS08S XF-ES-VF73-VMK-CBS

Videos

SpeedFX MaxFlow Extreme Cat-Back Exhaust | Product Review

SpeedFX MaxFlow Extreme Cat-Back Exhaust | Product Review

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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