3800Pro Forums banner

downpipe

  1. What size downpipe ?

    Exhaust
    L36 Mostly stock rn except for ac delete gutted airbox and flowmaster mufflers . I plan on getting a 3in downpipe with 3in exit from zzp. I thought 3in would be good if I plan on doing a topswap with an l32 + a cam and balance shaft delete and all that But how would the l36 with the mods I...
  2. 3" Stainless Downpipe

    For Sale
    I picked up a 3" Stainless Catted downpipe and never installed it. Its not the polished stainless, but the cat is shiny and pretty. Eliminates the U-Bend. I am in near 61016 (Northern Illinois). $150 or best offer. These are getting pretty rare nowdays. Shoot me a message at...
  3. Downpipe Question and catback

    Exhaust
    Hi everyone. Looking to replace my stock exhaust system on 2003 Buick Regal GS because i have a leak somewhere around the cat. I've read up on the downpipe and u-bend delete mods and figured while I'm tearing the exhaust up, might as well go ahead and install those mods. I'm currently looking at...
  4. PA ultra downpipe

    Wanted
    looking for downpipe for my 98 park ave..
  5. Comp 105s, 42.5s, 3.4, 3.25, SLP CAI, 2 TOG DPs, cometic MLS

    For Sale
    Lower prices - BOSCH GREENTOP 42.5s, Hardened 4th shaft. PRICES REDUCED!! Going turbo. Selling the S/C parts I have collected so far. I have: PICS ADDED Silver zzp MPS 8 rib 3.25" pulley $OLD Comp 105 lb valvesprings. 45k on them $80 shipped $OLD SLP Cold Air Intake $90 obo $OLD Cometic...
  6. Best Headers/Downpipe?

    Exhaust
    Hey guys, I have been reading over the forum for awhile, and it looks like you guys all say the TOG Headers are the best. I'm thinking about ordering them, I was just wondering whats the best downpipe to go with it? I know one of you said that ZZP makes a TOG style downpipe. Looking at the ZZP...
Top