Exhaust Replacement On My '00

Graembo · October 11, 2007

This has been put off long enough. My Cats are shot and the e-test is up & coming. So I want to re-pipe.

The magnaflow cats (http://store.summitracing.com/partde...part=MPE-93419)seem to be the best stainless kit out there and the Gibson extreme duals are the ticket for my longbox. http://store.summitracing.com/partde...part=GIB-65007 (Not looking for an obnoxiously loud exhaust this time)

We get loads of salt on the roads here so I want everything to be stainless/corrosion-free.

My question is about headers. Do I go for stainless steel headers or regular steel headers coated with ceramic? The stainless model from Gibsons has a nice thick flange (3/8”) and is 16 gauge construction http://store.summitracing.com/partde...art=GIB-GP116S

But is stainless a durable material? I want this system to LAST. The edelbrock headers seem to be of similar flange and gauge http://store.summitracing.com/partde...5&autoview=sku and could save a bit of quid by going this route compared to some of the other ceramic coated steel.

Will these “shorty” headers match up with the replacement cats I’m getting. I’m assuming a direct swap, am I way off base here? Thanks in advance.

G

PS Anyone ship Summit to Canada? Any suprise costs? Thx.

2004GMC1500CC · October 11, 2007

This has been put off long enough. My Cats are shot and the e-test is up & coming. So I want to re-pipe.

The magnaflow cats (http://store.summitracing.com/partde...part=MPE-93419)seem to be the best stainless kit out there and the Gibson extreme duals are the ticket for my longbox. http://store.summitracing.com/partde...part=GIB-65007 (Not looking for an obnoxiously loud exhaust this time)

We get loads of salt on the roads here so I want everything to be stainless/corrosion-free.

My question is about headers. Do I go for stainless steel headers or regular steel headers coated with ceramic? The stainless model from Gibsons has a nice thick flange (3/8”) and is 16 gauge construction http://store.summitracing.com/partde...art=GIB-GP116S

But is stainless a durable material? I want this system to LAST. The edelbrock headers seem to be of similar flange and gauge http://store.summitracing.com/partde...5&autoview=sku and could save a bit of quid by going this route compared to some of the other ceramic coated steel.

Will these “shorty” headers match up with the replacement cats I’m getting. I’m assuming a direct swap, am I way off base here? Thanks in advance.

G

PS Anyone ship Summit to Canada? Any suprise costs? Thx.

My opinion is to keep the stock exhaust manifolds. It will make passng the emissions tests much easier.

Bish · October 11, 2007

This has been put off long enough. My Cats are shot and the e-test is up & coming. So I want to re-pipe.

The magnaflow cats (http://store.summitracing.com/partde...part=MPE-93419)seem to be the best stainless kit out there and the Gibson extreme duals are the ticket for my longbox. http://store.summitracing.com/partde...part=GIB-65007 (Not looking for an obnoxiously loud exhaust this time)

We get loads of salt on the roads here so I want everything to be stainless/corrosion-free.

My question is about headers. Do I go for stainless steel headers or regular steel headers coated with ceramic? The stainless model from Gibsons has a nice thick flange (3/8”) and is 16 gauge construction http://store.summitracing.com/partde...art=GIB-GP116S

But is stainless a durable material? I want this system to LAST. The edelbrock headers seem to be of similar flange and gauge http://store.summitracing.com/partde...5&autoview=sku and could save a bit of quid by going this route compared to some of the other ceramic coated steel.

Will these “shorty” headers match up with the replacement cats I’m getting. I’m assuming a direct swap, am I way off base here? Thanks in advance.

G

PS Anyone ship Summit to Canada? Any suprise costs? Thx.

My opinion is to keep the stock exhaust manifolds. It will make passng the emissions tests much easier.

I would agree you should either stay with stock exhaust manifolds or consider the dynomax hi-flow cat/header system. I replaced my cats with a stock GM Y-pipe primarily because I'm getting up there in mileage (199K) and I wasn't going to keep it very much longer it didn't make sense to go with the dynomax solution.

j.roffel · October 11, 2007

The shipping to canada is a complete surprise, they don't tell you what the cost is, they just let you pick slow medium fast and tell you youll get charged after.

Graembo · October 12, 2007

Yeah so my reason for headers was an apparent leak in the manifold but its a manifold bolt that's snapped on the drivers side closest to the firewall. Great. So they're gonna stay on there for a little while, or until the next one along lets go. I guess I'll take that $$ and replace the Oxy sensors to get some mileage back!

The magnaflow cats will end up just more than 1/3 the price of the GM set so that's a no brainer.

Thx for the replies

G