Headers question

[2000daytonagtp]

So if I go with these headers for you guys with them how much does it affect the loudness of the exhaust? Its my daily driver so I dont want it really loud. Anyone got an exhaust clip of these on a gtp? The rest of the exhaust as far as mufflers will be stock.

Pontiac Performance Racing Products for International Sales from SSAutochrome Inc.

[mechguy]

Slight increase in loudness, most noticeable at idle and slow cruise. An honest improvement, so long as the rest of your exhaust is stock and healthy.

I don't know the dB increase but it isn't huge.

[dsmuts]

Are you gonna be running a cat?

[97gtpjoe]

If you run a cat the exhaust sound is the same as with a manifold. I installed speed daddy's with a hi flo cat , I thought that I will notice a big sound difference it sounds the same. My GP is my daily driver and I love the way the engine has more air flow which is quickly noticed.

[2000daytonagtp]

Yeah I think I wanna continued to run a cat I just wanna startoing my supporting mods for a pulley swap and figured I should just go straight to headers instead of messing around with a down pipe and then eventually putting headers anyway. How is the fitment on the brand I listed, is there any tips or info on installation that could help make things easier? I looked into speed daddy ones but they don't have any in stock?

[Fivefingerdeathpunch]

SSAC is the same speed daddys.

Buy some rtv and two 2.25in band clamps and two 3in band clamps. The clamps they come with are cheap.

Take your time, and look for the few write ups on this site for any other help you'll need.

[BillBoost37]

I say skip the RTV, follow my how to the easy way thread and be leak and RTV free.

[2000daytonagtp]

Will that header setup bolt to or weld to the stock back half of my exhaust then? I guess does the down pipe come out as 2.5 inches like the factory exhaust?

[sic6]

Yeah do the install as bill did. Works every time!