LT Headers... w/ or w/o HFCs?

[jwendorf47]

So I'm in the market for some long tubes. I'm currently looking into the OBX long tubes or BBKs with high flow cats. Honestly, I'm more looking to improve my HP/TQ with decent gains in loudness. As far as inspection goes, I'm good for a few years and can revert to stock if need be - so we can ignore the legal side of long tube headers for now.

Anyways, since inspection isn't a problem, what's the REAL difference between no cats and high flow cats when applied with long tube headers? Sound? Smell? Power? Help me out here, guys!

Edit: I have a tune so the CEL is not a problem.

[Apex Motorsports]

From a performance perspective there is almost zero benefit to straight pipe over modern high flow cats. You might see 1-2 rwhp here and there but nothing to really speak of. Straight pipe will be a slightly louder. High flow cats will not have the rotten egg smell you get with straight pipe.

[jwendorf47]

Originally Posted by Apex Chase

From a performance perspective there is almost zero benefit to straight pipe over modern high flow cats. You might see 1-2 rwhp here and there but nothing to really speak of. Straight pipe will be a slightly louder. High flow cats will not have the rotten egg smell you get with straight pipe.

Sweet. This is exactly the information I was looking for. Do you guys offer the OBX or BBK headers at Apex? You always have the answers I need and I'd like to show some support!

[menendez1293]

Originally Posted by Apex Chase

From a performance perspective there is almost zero benefit to straight pipe over modern high flow cats. You might see 1-2 rwhp here and there but nothing to really speak of. Straight pipe will be a slightly louder. High flow cats will not have the rotten egg smell you get with straight pipe.

He couldn't have said it better. In my opinion it might just be easier to buy it with High Flow Cats now so you don't have to go back to stock in a few years.

[Apex Motorsports]

Originally Posted by jwendorf47

Sweet. This is exactly the information I was looking for. Do you guys offer the OBX or BBK headers at Apex? You always have the answers I need and I'd like to show some support!

No, we are pretty particular about what we carry but we do have Stainless Works and ARH LTs for the V6.

[jwendorf47]

Originally Posted by menendez1293

He couldn't have said it better. In my opinion it might just be easier to buy it with High Flow Cats now so you don't have to go back to stock in a few years.

I would, but I won't pass in CA if I touch the cats at all... so no go there.

[Lil' Nasty]

Originally Posted by jwendorf47

I would, but I won't pass in CA if I touch the cats at all... so no go there.

What about shorties headers I think they're allowed

[lscamaro]

Jba are carb certified so those would work in cali