swapping out my 5 piece x pipe?

[Q's Stang]

should i spend an extra 70 bucks on the race pipes slp has to offer and see if it makes my car any louder or sound better...OR just stick w/ the catted slp x pipe?

 

[Torinalth]

if you are wanting louder then you can either remove the cats, get headers as well, and or replace the packs with the loudmouth catback.

Torinalth

 

[Steve777]

It definetly will make it louder ...fairly easy to do also, took me about 30 min.

 

[Q's Stang]

yeah its only like 70 bucks so i might go ahead & swap them out...i wasnt sure if itd make that much of a sound difference b/c this mechanic i was talking to said it really wouldnt compared to high flo cats

 

[green_fow_six]

I have the SLP X with the race pipes w/borla catback. It is louder than ***** at WOT!! I have the cats but I probably won't put them on until smog time. But it was night and day when I added cats to my previous Bassani X, so I think its definitely worth getting.

 

[Q's Stang]

right on...so did you go straight to the race pipes or did you have the cats on first? if ya had the cats on first what was the sound difference on the swap?

 

[twogts4us]

I've heard from a couple people who had a decent exhaust shop fabricate the race pipes...but then you have the risk of them not fitting exactly right. I'm not sure how these SLP pipes fit together, but for the $70 bucks, it might be a lil money well spent.
Not to steal the thread or chg the subject, but has anyone tried removing cats from an existing aftermarket midpipe and replacing them with 'race pipes'? I like my MRT catted H, but I sometimes wish it were louder. Anyone done this?

 

[Steve777]

if ya had the cats on first what was the sound difference on the swap?

Idle sounds pretty much the same. Anywhere in the low to mid-rpm band, say from 1.5-3K is noticeably louder and has a different sound (maybe more rasp as some would say, but I like rasp). WOT is obviously louder as well, but the main difference from what I noticed is the mid rpms like I said. Listening to the car being driven from the outside, it is all around a lot more audible - meaner sounding as well. Hope that helps.

 

[Q's Stang]

yeah...ive never heard my exhaust from the outside but id imagine it sounds 100 times louder from the outside back compared to inside...i dunno ill drive it around college for a few weeks & if i need it louder ill buy the race pipes...im gonna love the small roads w/ houses everywhere & school buildings
i had it at purdue last year w/ just the packs on it & it sounded real loud...i cant imagine how much louder itll sound w/ my mid pipe