How does 28-30 additional rear wheel horsepower and NO CEL sound from our new severe duty downpipes by ARH. The incredible gains come with no additional changes other than the swap. Manufactured using heavy duty 5” G-Sport cats, this kit can handle whatever performance potential is your goal, most especially if tuning of any kind is planned. Our downpipes are a direct bolt-in with no modifications required. For more information, please feel free to reach us.
Product features on this system includes:
- 100% Made in the USA - Never Outsourced
- Made entirely of 304 stainless steel
- 3/8" thick laser-cut flanges for a warp-free seal
- Hand-ported TIG welded inlets
- Catted systems feature G-Sport severe duty catalytic converters for extreme durability
Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.
Make | General Motors |
Model | Cadillac |
Submodel | CT4-V Blackwing |
Engine Size | 3.6L V6 |
Year | 2022-2026 |

HAND CRAFTED AMERICAN PARTS
We proudly build with 100% USA Sourced 304 Stainless Steel. Every American Racing Headers system is completely fabricated and assembled right here in the United States!

PREMIUM ENGINEERING
Superior performance and fit are built in to every ARH exhaust system. Our team of top notch engineers have ensured our systems deliver the maximum power for your vehicle.

RACE PROVEN
We are a company built for racers by racers. Seeing the vast amount of ARH Equipped vehicles at the winner's circle time and time again is one of greatest accomplishments.