AnthMC

I just had a question about a muffler that I might be putting onto my 99 Sentra. I know it depends on what type/style of muffler that I do decided to put on, but does approximately how many more horses do you get when you just replaced the muffler to a free flowing one??? I still have the original pipes and headed but just trying to get a ball park idea! Thanks!

Sanyo

Anth, if I where you, I'd say fuck the whole muffler, just get a HUGE muffler tip. Those bad boys add about 500whp and are only a few bucks!

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wes

3-4 whp on the high side with a nice straight through muffler.

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dry

wes, are you sure? I was under the impression a muffler added like 0.5 whp, whats the use of a high flow muffler with a slow flow exhaust.

NotAnotherHonda

maybe the stock muffler is really restricting on our cars...someone should dyno test just mufflers... hahaha...

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95 200sx se. sr20de, gt28r, bb manifold, forge fmic, greddy bov and bc, tial 38mm, walbro 255, apexi tt, 3" exhaust with magnaflow, 3" downpipe, jgy clutch flywheel and fuel rail, msd 50#'s, cobra maf, jwt ecu and s4's, nismo fpr, autometer, nissport adaptors, fal pushers, ur pulley, m/t 22x8x15 et drags.

sno

i think dryboy is right. just replacing the muffler isn't going to add any noticeable performance gain.

AnthMC

well after getting the muffler done I can see that you guys are right, it doesn't really add any hp, just some loud noise! Lol This is just a start, and I want to do the full headers back for the exhaust system soon, but this new shinny muffler is going to have to keep me content until my pocket book lets me do what I want.... thanks!

psuLemon

get the rest of the exhaust before you get the header or it will sound like a weed wacker... you should get 2" stainless steel mandrel bent tubing for a cat back with a resonator to quiet it down and then get teh header...

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NotAnotherHonda

i had my hotshot headers with my stock piping for a while and it actually didnt sound bad at all...but yea, do whatever your wallet allows you do to...

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95 200sx se. sr20de, gt28r, bb manifold, forge fmic, greddy bov and bc, tial 38mm, walbro 255, apexi tt, 3" exhaust with magnaflow, 3" downpipe, jgy clutch flywheel and fuel rail, msd 50#'s, cobra maf, jwt ecu and s4's, nismo fpr, autometer, nissport adaptors, fal pushers, ur pulley, m/t 22x8x15 et drags.

psuLemon

my friends celica has the hotshot header on with the stock exhaust and from inside it sounds nice but outside it sounds like crap and with just a muffler on the exhaust with the 1.75" exhaust,i dont believe it would sounds that great...i know mine sounds like a wasp nest till i got the resonator on

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Chuck

you will only gain sound..

nothing noticable.. No seat of pants feel.. except you will notice there is less torque in low RPMS

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ReVerm

I think wes was talking about your average cat back exhaust system. Mostly because I haven't seen the word "muffler" around here in a while.

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sno

yes, you're probably right. but the subject of this topic is just a muffler not a whole cat-back system.

wes

Your right. But if you follow Stillen's claims you will gain 15 HP from just their muffler....

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A20A Sentra

hey wes how much did it cost for your turbo setup and all the parts