Bolt-ons for NBS 99-06 GM fullsize
10-23-2011, 02:09 PM
#61
Teching In
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A tune after an air intake and different muffler? I put the stock air intake back on to see if the mileage goes back to where it was. I disconnected the battery to let the ecm reset also.
05-20-2012, 08:15 PM
#63
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Maybe we should have a bang for the buck sticky?
From what I have seen from dyno runs, headers don't cost out very well. I saw a gain of about 8 to 10 hp for around $500 to $800 or more. Doesn't seem like a good trade off. I think a good tune and cam swap would be a better deal.
It would be interesting to see some dyno runs of a stock truck and then add exhaust mods and run again. Then air intake and run again, and then a tune, and see what happens. I have a feeling the the exhaust is more for cool sound factor than pure performance. I can't say that my true duals with an H pipe did a lot for my 8.1
From what I have seen from dyno runs, headers don't cost out very well. I saw a gain of about 8 to 10 hp for around $500 to $800 or more. Doesn't seem like a good trade off. I think a good tune and cam swap would be a better deal.
It would be interesting to see some dyno runs of a stock truck and then add exhaust mods and run again. Then air intake and run again, and then a tune, and see what happens. I have a feeling the the exhaust is more for cool sound factor than pure performance. I can't say that my true duals with an H pipe did a lot for my 8.1
To LT headers.
Fantastic thread, at least for this noob!
11-04-2013, 03:21 PM
#66
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This is very great information. Im New to the building motor stuff I've always lifted trucks and left hp alone. I just bought my first 2wd truck its a 2001 Silverado with 5.3L. What do you suggest me purchasing for some quick hp gains. I'm looking to spend close to 1000 dollars this week. What's some stuff I should purchase first for quick hp and tq gains
11-04-2013, 03:36 PM
#67
On The Tree
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This is very great information. Im New to the building motor stuff I've always lifted trucks and left hp alone. I just bought my first 2wd truck its a 2001 Silverado with 5.3L. What do you suggest me purchasing for some quick hp gains. I'm looking to spend close to 1000 dollars this week. What's some stuff I should purchase first for quick hp and tq gains
11-05-2013, 12:47 AM
#69
Not when done correctly. However with a $1000 budget I would do the following.
Get an eBay cold air intake. ($55)
Get a magnaflow muffler installed ($200 installed)
Custom tune from one of the vendors Nelson black bear Wheatley ($300)
Longtube headers and ypipe from Texas speed and performance ($540)
Get an eBay cold air intake. ($55)
Get a magnaflow muffler installed ($200 installed)
Custom tune from one of the vendors Nelson black bear Wheatley ($300)
Longtube headers and ypipe from Texas speed and performance ($540)
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