Do I need a tune 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..
How much horsepower do headers add to a 350?
The length of the primary tubing determines the effective rpm range, but headers can be worth 15-20 hp on the right application. Run on our restrictive two-barrel 350, the headers improved the power output to 248 hp and 365 lb-ft of torque, with consistent gains through the rev range.
How much HP gain from long tube headers?
a stock or close to stock car, 15-20 hp would be the average gains. for the most part, all headers will give equal gains, but some are built better then others.
Do long tube headers make a difference?
For long tube headers, the exhaust pipes are much longer and merge farther out. Because of this, each design impacts back pressure in the exhaust system in a different way. Longer port pipes result in lower exhaust back pressure. This means improved oxygen intake and a boost in horsepower.
Are headers worth the money?
The answer is yes, headers will boost performance – IF your vehicle is “prepared” for them. Headers take the place of your exhaust manifolds, which are the first part of your exhaust system between the cylinder heads and the front exhaust pipes. …
Do long tube headers make car louder?
Just so, will headers make car louder? Headers alone will not make it any louder. Midpipes and mufflers will give you louder exhaust. … Many varieties are offered such as short tube, mid-tube or mid-length, and long tube headers.