Downpipes
#15
Find a shop to cut out your cats, and weld in straight pipe. Had it done for $200 but no receipt do the fact that it's illegal (you just gotta offer them cash and see if any of the guys agree to it). Unless there's a 90 degree bend you are removing in the downtubes you won't notice much performance, maybe 5-10 hp at high rpm on a n/a v8. But it will make it sound better.
#17
Look 4 posts up.
theres still exhaust coming from the headers (aka exhaust manifold) , out of the engine bay, and leading to the cats under the car....
the turbo just goes between the two (manifold & downpipe).
If there was no downpipes what would you call the part between the manifold and the cats?
theres still exhaust coming from the headers (aka exhaust manifold) , out of the engine bay, and leading to the cats under the car....
the turbo just goes between the two (manifold & downpipe).
If there was no downpipes what would you call the part between the manifold and the cats?
#18
take a look at these downpipes http://www.tantrumwerks.com/html/42exhaust.html. i only have the cat-back and it's great. downpipes usually gain 15-20hp, which is highly debated as different manufacturers use different dynos with different cars with different levels of mods.
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