IRL LLC
IRL F97 F98 X3M X4M Downpipes
IRL F97 F98 X3M X4M Downpipes
SKU:MS-8657-IRL-IRL L-3.5
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Upgrade your vehicle's performance with IRL LLC downpipes, which alleviate back pressure from stock catalytic converters. By switching to our downpipes, your turbos will spool faster and reach peak power. A tuned S58 can see a 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. Resonated , Catless, 200-cel downpipes will cause a Check Engine Light.
Professional installation Recommended
200 cel Heatshiled coming May 2026
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."
Shipping
Shipping
Processing and shipping times for orders placed during the week (M-F) will be 1-2 business days. See details here.
Return policy
Return policy
To receive a refund or exchange: Returned items must be in original packaging, unused in original condition, and sent back to us within 14 days of your original receipt of the product. See details and exceptions here.
Product Inquiry
Product Inquiry
Interested in this product and want to know more? We are here to help! - Please fill out our contact form here and we will do our best to respond to you within 48 hours.
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Built From The Love Of Motorsport
We aim to create a brand and lifestyle that is truly automotive driven. Our love and passion for motorsport extends further than cars and motorcycles. It is something we embrace within ourselves and we strive to share and build that experience with our community.