Originally Posted by az3579 Don't headers give the car a very raspy sound? Definitely not to my tastes... yes, due to the header design. an H pipe or x pipe can help along with a straight through resonator about 24" long.
2005 BMW 330i ZHP 2004 BMW 330Ci ZHP A DIY Turbocharger Project! My site: www.E46Turbo330Ci.com
Originally Posted by Nivo yes, due to the header design. an H pipe or x pipe can help along with a straight through resonator about 24" long. Is doing headers emissions-compliant?
BP 2005 330i ZHP / 6MT Imolarot / Naturbraun 2003 330iT / 6MT Orientblau / Naturbraun It's not the car you drive, it's how you drive it.
Originally Posted by az3579 Is doing headers emissions-compliant? technically no if the headers gets rid of the pre cats in the stock manifolds. regardless if you add a 3 way catalyst after. But by going with a standard highflow catalytic converter and if you were to get a sniff test the car will most likely pass.
Originally Posted by Nivo technically no if the headers gets rid of the pre cats in the stock manifolds. regardless if you add a 3 way catalyst after. But by going with a standard highflow catalytic converter and if you were to get a sniff test the car will most likely pass. Darn. Not interested then. Emissions equipment has to be fully functional. Oh well.
Originally Posted by danewilson77 Is a diy.... very helpful and enthusiastic dane =/
Originally Posted by az3579 Don't headers give the car a very raspy sound? Definitely not to my tastes... what do you mean raspy sound? is there a video containing this sound that you can show?
Originally Posted by L0veZHP what do you mean raspy sound? is there a video containing this sound that you can show? Listen for the metallic buzzy sound.
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Originally Posted by mimalmo Listen for the metallic buzzy sound. i like it =]
Originally Posted by L0veZHP i like it =] You probably wouldn't like it if you heard it in person.
Thank you so much guys for helping me out on this post. I think I'll be going N/A and not install an intake (or install it last) just in case at the end I'll want to add a S/C. YOU GUYS ARE THE BEST!
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