Axle Backs...really a horse power boost??

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01-01-2009, 04:51 PM

#11

danGT06

3rd Gear Member

Join Date: Jul 2006

Location: Tucson Arizona

Posts: 732

The stock intake is capable of taking in more air. If its getting out faster the engine will adjust a little but thats why you need a tune to maximize the HP.

Quote:

Originally Posted by 302me

Aside from AB, if you have a full exhaust, such as LT headers, how do the LT's add HP if you don't have more coming in?

01-01-2009, 05:00 PM

#12

Timspony

SVT Section Moderator

Join Date: Jul 2008

Location: Burnt Hills, NY

Posts: 15,601

AB's add very little HP....LT's with aftermarket H/X pipe open up HP that the stockers restrict!

01-01-2009, 05:01 PM

#13

zporta

5th Gear Member

Join Date: Jan 2008

Location: MD

Posts: 2,544

Quote:

Originally Posted by 302me

Aside from AB, if you have a full exhaust, such as LT headers, how do the LT's add HP if you don't have more coming in?

he is sayin that u will still see gains but you arent getting the max hp w/o upgrading the opposite flow...

01-01-2009, 05:02 PM

#14

EagleStroker

5th Gear Member

Join Date: Apr 2008

Location: Memphis

Posts: 2,377

Quote:

Originally Posted by timspony

AB's add very little HP....LT's with aftermarket H/X pipe open up HP that the stockers restrict!

Quote:

Originally Posted by zporta

he is sayin that u will still see gains but you arent getting the max hp w/o upgrading the opposite flow...

Exactly. It's all the crimped bends and abrupt bends that really kill horsepower (I think back pressures the correct term?) so anything you can do to get a smoother flow will help your car perform more efficiently