nissannx

Since purchasing a Magnaflow dual tip exhaust, I've discovered that dual tips are not ideal for our car's engines. A magnaflow rep told this after I had it on the car. I'm going to be installing an XL powerpack (24" is supposed to be arriving soon) to reduce the noise factor, but am also considering putting a reducer inside both tips to cut the exhaust flow in half (i.e., 2" per tip to 1" per tip). Does anyone have another suggestion? Think this sounds reasonable?

FYI - I've just installed HS headers, hiflow cat, fabricated SS 2" exhaust and will be quickly replacing a vibrant resonator with the Magnaflow powerpack as the car is unbearably loud. The pipe expands to 2.25 at the muffler and then exits through two 2". I won't be doing this reduction until I've seen whether the powerpack reduces the unwanted noise.

PS this is my first post here, although I've been reading a lot. Still, nowhere did I read to avoid a dual tip muffler.

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1992 NX1600 Original Owner 191 000 km.
1991 NX2000 hardtop Second Owner 162 000 km.
2007 Altima 2.5 S
2008 Versa

chimmike

the resonator makes a bigger difference as to how loud it is than the muffler, by far.
the header will always make the car a lot louder. and a dual tip muffler is fine.

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Sanyo

Why the hell does anyone bother about advancing your timing? You only gain like 1-2hp, just throw a v-tech sticker on and you gain like 100+whp, and its cheaper than premium gas without the possibility of detonation.

PS - I have dyno charts showing my stock 1.6 XE with about 90 whp before, and now I'm putting 335 to the wheels with 2 V-tech stickers and the word Honda typed on the hood.

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chimmike

dude, what the holy fuck are you talking about

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