MagnaFlow 15620 exhaust vs OEM SLP Hi Flow exhaust for 97 Firehawk LT1

Anything Goes (within reason)

Moderators: FAOA Administrators, FAOA Moderators

Post Reply
prix57
Posts: 17
Joined: Sun Jun 04, 2017 12:33 pm

MagnaFlow 15620 exhaust vs OEM SLP Hi Flow exhaust for 97 Firehawk LT1

Post by prix57 » Sat May 07, 2022 2:39 pm

My apologies if this has already been answered.

I have a 97 Firehawk LT1 with the factory SLP high flow two on the left exhaust and was looking at getting the MagnaFlow 15620 catback exhaust so I can have the dual exhaust outlets on both sides. I was wondering if the MagnaFlow 15620 will be more or less restrictive than the oem SLP hi flow exhaust as I have read that the SLP one is one of the best.

My SLP hi flow exhaust is still in very good shape so I am not sure if it's worth replacing just so I can have dual exhaust look on the back. If I could get the same SLP muffer with dual exhaust outlets I would go with that instead but I don't think they are available any more.

Appreciate any feedback or suggestions on this thanks.

https://www.summitracing.com/parts/mpe-15620

User avatar
NBrehm
Posts: 236
Joined: Sun Jun 28, 2015 8:58 pm
Location: New York

Re: MagnaFlow 15620 exhaust vs OEM SLP Hi Flow exhaust for 97 Firehawk LT1

Post by NBrehm » Sun May 08, 2022 3:59 pm

Probably be similar, the Mag will be louder. One thing to remember with Magnaflow is, outside of their mufflers, most of their pipes are 409 stainless, not 304. MUCH more prone to corrosion. SLP used 304
-Nick
2001 Formula Firehawk #293

Post Reply