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Old 11-13-2013, 10:14 PM   #1
Ivan @ Southwest Speed
Drives: '15 Z06, '01 NBM SS, '97 SS
Join Date: May 2009
Location: Rio Rancho, NM
Posts: 12,200
Thumbs up Doug Thorley Shorty Headers make +18rwhp/+35 Tq!!!

For ages most of us, including me, have always thought that the Short Tube headers were a waste of time.

Seeing how many Forced Induction applications there are out there now, perhaps it's time to revisit the issue.

While retaining the factory locations and catalytic converters, these offer the choice for those wanting a little more without sacrificing the ominous Check Engine Lights. They open up the flow a lot more and this is proving to help gain more on the low end of the curve. The Torque gain is looking to be something that folks overlook everytime since it's "only a short tube header" but the results speak for themselves.

Another recent dyno test showed that these are gaining an average of 18 rear wheel horsepower and an incredible 35 ft lbs of tq.

That combined with the "no tune required" might just interest some folks.

Take a look for yourself and decide if these just might be the answer some of y'all might be looking for!!

Doug Thorley Ceramic Coated Short Tube Headers from Southwest Speed

There have been a few pretty popular videos pop up on You Tube as well over the years.

Southwest Speed
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