Features:

• Mandrel-bent 409 Stainless Steel (12135FLT and 32139FLT) or 304 Stainless Steel (12139FLT) tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
• Heavy duty 16-gauge tubing for increased strength and durability
• Smooth transition, 1-3/4” to 1-7/8" diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
• OE style 2-1/2” ball and socket collector connects to factory mid-pipe with no cutting or welding
• TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
• Premium aluminum header gaskets included
• Available finishes include Natural, Polished, and Silver Ceramic Coated finishes
• These headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner

About Flowtech

Flowtech provides high-quality performance exhaust systems at a great value. Explore our lineup of headers, mufflers, and exhaust systems at our official retailer, Holley.com!​

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle