G-Chassis B58 Gen 2 GESI High-Flow Catted Downpipe - W/ Heat Shield

ApexBuilt specializes in high-quality, titanium performance parts, accessories, retrofits, and upgrades for BMWs. Their quality and attention to detail separate them from the competition, providing beautiful, functional, products that service both your power and aesthetic needs!

Increase your BMW's power potential by eliminating exhaust restrictions with ApexBuilt's High-Flow Catted Downpipe.

Features:

• Industry-leading build quality.
• Perfect fitment, guaranteed.
• No CEL or other emissions-related error codes, guaranteed (no ECU tune required).
• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.
• GESI 400-Cell UHO Gen2 cats, resulting in 49 state emissions compliance
• Estimated gains of 20-25+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned.
• Estimated gains of 45+ HP and 50+ TQ over stock power levels when paired with an aftermarket ECU tune.
• TIG-welded T304 stainless steel construction, assembled by hand in Fort Myers, Florida.
• Lifetime warranty.

PLEASE NOTE: These parts are for OFF ROAD / RACE USE ONLY. They are not 50 state legal. Any of ApexBuilt's catless race downpipes WILL NOT be sold in, or shipped to, the state of California.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.