What size header tubes do I need?
What size header tubes do I need?
Recommended Header Primary Tube Diameter
| Horsepower Output | Primary Diameter |
|---|---|
| 200-325 hp. | 1 1/2 in. |
| 275-425 hp. | 1 5/8 in. |
| 400-500 hp. | 1 3/4 in. or 1 7/8 in. |
| 500 hp. or more | 2 in. or larger |
Do shorty headers increase low end torque?
JBA Shorty headers will make great HP increases and not have problems with tuning or WARRANTY. The Long Tube headers will require custom tuning and will VOID any warranty along with a loss in low end TQ. You will gain upper pull in the RPM but for most with 4k+ trucks all they want is LOW END.
How do I know my header size?
The Header Length field is used to specify the length of header, which can range from 20 to 60 bytes. You must multiply the value in this field by four to get the length of the IP header. For example, if the value in this field is 3, the length of the header is 3*4, which is 12 bytes.
What kind of headers do you need for a V8 truck?
A set of aftermarket headers and its appropriately matched exhaust system are one of the easiest and most popular means to gaining the power so many of us are searching for. The JBA headers for our 2008 Chevy 5.3-liter V8 truck were metallic ceramic coated stainless steel, and had 3/8-inch flanges with sealing beads.
Are there any Chevy Shorty headers left in stock?
Only 9 left in stock – order soon. . Only 5 left in stock – order soon. . . Only 16 left in stock – order soon. . Only 3 left in stock – order soon. . Only 8 left in stock – order soon. . Only 1 left in stock – order soon. . . Only 6 left in stock – order soon. . Only 5 left in stock – order soon. . Only 6 left in stock – order soon. .
What kind of headers do JBA headers have?
The JBA headers for our 2008 Chevy 5.3-liter V8 truck were metallic ceramic coated stainless steel, and had 3/8-inch flanges with sealing beads.
What kind of exhaust system does a Chevy Silverado have?
We found a set of shorty headers (No. 18505-2JT) and a dual rear-exit cat-back exhaust system (No. 40-3049). The headers were specifically designed for the 2002 to 2013 4.8-liter and 5.3-liter V8s without EGR, and the dual three-inch exhaust system fits 2005- to 2013 Chevy Silverado/GMC Sierra pickups.