How much HP do shorty headers add?
The headers will give you 8 to 15 additional HP gains, and come packaged with gaskets and the hardware needed for installation. Performance-tuned and engine-matched with performance gains at the lower to midrange RPM highway speeds.
Do shorty headers need a tune?
Shorty headers are not enough of an aspiration change to require a tune, unless you are removing the catalytic converters at the same time.
How much HP gain from headers?
In general, a quality set of headers should provide an increase of approximately 10-20 horsepower, and if you’re restrained with your right foot, you may even see an increase in fuel mileage.
Do you need a tune after you install headers?
And for aftermarket headers, the answer is yes, you should tune your car when installing a new exhaust header. Major performance mods like a header can significantly alter important variables like air/fuel ratio. Tune is required to ensure you get the most out of the header without future problems.
Is a tune required for long tube headers?
Long tube headers constitute as a major change for the exhaust aspiration of your vehicle’s engine. To compensate for the added air flow, and the relocation of the oxygen sensors, a new or updated tune is required.
What kind of warranty do Hedman Street headers have?
All Hedman street headers are backed by a lifetime warranty against manufacturing defects! Hedman’s ceramic-metallic finishes are so tough, all HTC Silver, BLACK MAXX Black and Elite coatings come with a full 5 years warranty.
Can a Hedman Hedder be used on an aftermarket cylinder head?
***Unless otherwise stated in the information provided on this site, All HEDMAN HEDDERS are designed for use on stock cylinder heads. The use of aftermarket cylinder heads, or cylinder heads not original equipment on the listed vehicle, may result in component or chassis interference, as well as, sparkplug clearance.
Where do they make Hedman Street headers in California?
Design and produced in their California manufacturing facility since 1954, no other header manufacturer offers as broad a selection of applications and design options in the industry. All Hedman street headers are backed by a lifetime warranty against manufacturing defects!