IRL G Series Gen2 B58 Downpipe
IRL G Series Gen2 B58 Downpipe - Catless is backordered and will ship as soon as it is back in stock.
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Upgrade to using the IRL G Series B58 Downpipe to eliminate backpressure caused by standard catalytic converters. This upgrade allows for quicker spooling and maximum power for your turbos. Additionally, there is a 30% increase in horsepower for tuned B58 with stock turbos. The inclusion of a flex pipe section also helps minimize stress and vibration from the downpipes.
Features
- Smooth bends for maximum airflow without any drone
- Up to 30HP increase on the stock turbos
Professional installation Recommended
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."
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Shipping Notice

Some oversized, heavy, or specialty items may incur additional shipping charges based on your delivery location. If this applies to your order, our team will contact you after checkout with the updated cost. Orders will not ship until additional charges are confirmed and paid.
