09 Sierra Denali Headers HP Difference
Aug 10, 2013 | 08:58 PM
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09 Sierra Denali Headers HP Difference
Hi there I currently have the following mods on my truck and was wondering how much more power I would get with 1 7/8 Headers and 3 inch Collector compared to the 1 3/4 Headers and 2.5 inch Collector. Thanks
Afe Stage 2 Si Intake
LS7 90mm Throttle Body
Corsa Touring Cat Back
OBX 1 3/4 LT Headers with Cats
Spencer1990 is online now Report Post Edit/Delete Message
Afe Stage 2 Si Intake
LS7 90mm Throttle Body
Corsa Touring Cat Back
OBX 1 3/4 LT Headers with Cats
Spencer1990 is online now Report Post Edit/Delete Message
Last edited by Spencer1990; Aug 11, 2013 at 05:23 AM.
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