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- Headers/Intake/Exhaust (https://montecarloforum.com/forum/headers-intake-exhaust-13/)

- - 3" Downpipe (https://montecarloforum.com/forum/headers-intake-exhaust-13/3%22-downpipe-1226/)

nj85z28

01-26-2006 07:38 PM

3" Downpipe

For anyone doing exhaust work on their W-Body, start with the 3" downpipe. it opened up a hell of a lot of difference from the stock DP. I got mine from the W-Body store for about 200 bucks, and had meineke put it in rather cheaply. Definitly worth it.

mcss01

01-26-2006 10:45 PM

RE: 3" Downpipe

how does it sound? i have flow 40s on my monte ss and im looking to increase the noise and power a bit. is the rest of your system 2.5 inch piping? and all the 3 inch downpipes ive seen cost lik 250-350 bucks.

z34phoenix

01-26-2006 11:05 PM

RE: 3" Downpipe

for sound, i would do what i just did. and exhaust cutout, then you can open and close it at will! if you want the most flow put the CO on your down pipe and run an O2 simulator.

nj85z28

01-27-2006 10:00 PM

RE: 3" Downpipe

Quote:

ORIGINAL: mcss01

how does it sound? i have flow 40s on my monte ss and im looking to increase the noise and power a bit. is the rest of your system 2.5 inch piping? and all the 3 inch downpipes ive seen cost lik 250-350 bucks.

i simply replaced the stock (super restrictive) DP with a 3" from wbodystore.com ($150), and had it welded into the cat. at the same time put the ubend delete in. honestly, it changed the sound slightly, but the gains in top end are very nice:D

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