$1,499.00
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Upgrade your M5’s performance with IRL Maxflow 3.5” 400cel downpipes, which alleviate back pressure from stock catalytic converters. By switching to our downpipes, your turbos will spool faster and reach peak power. Gains of 30HP boost with stock turbos. The flex pipe section reduces strain and vibrations caused by the downpipes. Other features include smooth bends for optimal airflow and a recommended professional installation. It is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with it’s labeling. Our products are "Legal Only For Racing Vehicles Which May Never Be Used, Or Registered or Licensed For Use, Upon A Highway." These products are designed for off road purposes only It is NOT designed or intended to be used in any way that may violate any laws. IRL LLC will not be responsible for the use of Merchandise.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$1,499.00