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Call and speak to tti and they will tell you if they will fit with different types of mounts or what ever else you have.Talk directly with them on the phone

I would not change them.You would not even notice the power gain with the headers

I have tti coated inside and out .The biggest advantage is it reduces the heat inside engine compartment.It dropped the heat a couple hundred degrees.If they rust jet coat will recoat them for free as long as you own them.They coat tti headers for them.

Leave the manifolds on it or go with tti ceramic coated inside and out fit good and keeps the heat down

I like the tti headers expensive but they fit good on a duster.If its not a high performance engine i would just go back to the stock manifolds.

After i put a few miles on mine they get louder.Almost to loud at cruising at 22- 2500 rpm

Have 3 inch tti system with dyno max ultra flows.No drone can actually hear radio while driving but sound real good when you get in it

Just put on tti 3" exhaust with dynomax ultra flows on 340 duster.No drone, quite inside car when driving.Sounds good at full throttle.Good for driving and still can listen to radio.

Yes they are off set center.I got them from tti instead of turbos

What mufflers are you using?I went with ultra flows,i wish they where a little louder

Anyone running 3 inch tti exhaust on a 70 duster.Have any problems with install or having to modify it to make it work.Mine looks like it will hit leaf spring on pass side by the gas tank

Ordered the 3" tti system with the ultra flow mufflers .Thanks for everyones input.

Just did not want to spend all that money and not like the sound

Can someone post a sound video of tti 3 inch exhaust with there dynomax ultra flow mufflers and some different mufflers like flowmaster 40 and 50 series.Purchased there system but have not decided on mufflers. I am running small block stroker with h pipe system

Any one buy a exhaust set from jegs for 70 duster, how well did it fit.Hate to put out 7 or 8 hundred dollars for tti

I have the tti headers am considering buying the rest from them.How do you like the gv

Getting ready to buy exhaust for my 70 duster need some input.The engine is a 340 stroked to 416.Hp is 502 tq is 580.Which is better for this engine a 2.5 or 3 inch exhaust with x or h pipes.And what is a good muffler that is not to much drone or to loud. Thanks