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LMC Truck

Username Post: S10 Sonoma ZQ8 4.3L 5spd Replacement Stainless Exhaust?        (Topic#346481)
"3rd Year" Silver Supporting Member
Posts: 342
Loc: Western NY
Reg: 06-15-02
08-08-17 07:02 PM - Post#2703454    

I recently tried to find a replacement "Y" pipe for my 2003 Sonoma ZQ8 and I cannot find anybody who makes a stainless (or any) replacement for my combination which is 4.3L and 5spd manual. Has anyone else found a solution or modified one of the ones available for a different combination?


LMC Trucks
Senior Member
Posts: 2525
Loc: Spanaway, Wa
Reg: 10-17-04
08-08-17 09:30 PM - Post#2703465    
    In response to toro455

Your best bet is probably going to be an exhaust shop. Bragging rights aside for using stainless, aluminized steel will last a very long time, and you can increase the pencil sized pipe that they used from the factory. I bumped mine up to 2.25"

U.S.C.G. "So others may live"

'96 S-10 SS
'02 BlaZeR2

"3rd Year" Silver Supporting Member
Posts: 342
Loc: Western NY
Reg: 06-15-02
08-09-17 03:15 PM - Post#2703573    
    In response to SleeperSS

Thanks. It's just whenever the muffler shops see a 1 pc part with 2 converters their eyes gloss over with dollar signs. Considering 2 cats the stainless pipes I see on summit are reasonably priced; just nothing 2wd 4.3L manual. Before looking I assumed I would be money ahead by finding the part myself or at least have something which would last forever for the same price as other options.

At this point I wouldn't mind finding anything that would be a bolt-in and the original exhaust lasted over 14 years. The muffler shops do sometimes have their own catalog of pipes so that might need to be the solution.

Posts: 1077

Loc: Langley,BC
Reg: 02-03-05
08-12-17 08:43 PM - Post#2703957    
    In response to toro455

The full size trucks also ran dual cats and 4.3s with 5spds,might have to modify the rest of the system though
And the 99+ trucks used stainless pipes,not sure if the aftermarket will be the same

69 Canadian Pontiac 2+2
factory L48 350 Chev,TH350,PW,PT
99 Silverado RCLB 4.8 NV4500 14BSF 4.10's locker 6" Procomp 35 bfg m/t's 9k winch cutout flares
07 Town Car Loaded,Tinted,Getting Bagged

Edited by 2plus2 on 08-12-17 08:44 PM. Reason for edit: No reason given.

"3rd Year" Silver Supporting Member
Posts: 342
Loc: Western NY
Reg: 06-15-02
08-19-17 07:01 PM - Post#2704849    
    In response to 2plus2

Ok thanks, I will keep in mind the 99+ full size configuration to see if it looks similar.

I found aftermarket for seemingly every combination of s10/sonoma except 4.3L with 5spd. I need to find my notes but it looked to me like a combination of 2 existing PNs would work. When I called the company directly they told me nicely that if it were that simple they would have offered the part...

LMC Trucks
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